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https://api.github.com/repos/langchain-ai/langchain/issues/13682
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13,682
How to add prompt template to create_csv_agent?
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### Issue with current documentation: Hey guys! Below is the code which i'm working on ``` import pandas as pd from IPython.display import Markdown, display from langchain.agents import create_csv_agent from langchain.chat_models import ChatOpenAI from langchain.llms import OpenAI import os import pandas as pd os.environ["OPENAI_API_KEY"] = "" df = pd.read_csv('https://gist.githubusercontent.com/armgilles/194bcff35001e7eb53a2a8b441e8b2c6/raw/92200bc0a673d5ce2110aaad4544ed6c4010f687/pokemon.csv') df.to_csv('pokemon.csv', index=False) # Load the agent agent = create_csv_agent(OpenAI(temperature=0), "pokemon.csv", verbose=True) gpt4_agent = create_csv_agent( ChatOpenAI(temperature=0, model_name="gpt-4"), "pokemon.csv", verbose=True ) agent.run("Which pokemon has the highest attack and which has lowest defense?") ``` In the above code, you can see the query has the normal question. How do i add the below prompt template as the question? ``` # Now you can use the json_data in your prompt prompt_template = f'''If the dataset has the following columns: {json_data} Understand user questions with different column names and convert them to a JSON format. Here's an example: Example 1: User Question: Top 2 zones by Housing Loan in the West and South in the year 2019 excluding small loans and with Discount > 5 and Term Deposit between 10k and 15k {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Month", "agg_columns": ["Housing Loan"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Zone"], "filters": {{"Zone": ["West", "South"]}}, "not_in": {{"Loan Type": ["Small"]}}, "num_filter": {{ "gt": [ ["Discount", 5], ["Term Deposit", 10000] ], "lt": [ ["Term Deposit", 15000] ] }}, "percent": false, "top": "2", "bottom": null }} Example 2: User Question: What is the Highest Loan Amount and Loan Outstanding by RM Name James in January 2020 {{ "start_date": "01-01-2020", "end_date": "31-01-2020", "time_stamp_col": "Due Date", "agg_columns": ["Loan Amount", "Loan Outstanding"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": [], "filters": {{"RM Name": ["James"]}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 3: User Question: Which RM Name with respect to Region has the Highest Interest Outstanding and Principal Outstanding in the year 2019 {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Due Date", "agg_columns": ["Interest Outstanding", "Principal Outstanding"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["RM Name", "Region"], "filters": {{}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 4: User Question: Which Branch in North Carolina with respect to Cibil Score Bucket has the Highest Cibil Score in 2019 {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Due Date", "agg_columns": ["Cibil Score", "DPD Bucket"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Branch"], "filters": {{"Region": ["North Carolina"]}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 5: User Question: With respect to Zone, Region, Branch, RM Name what is the Highest Loan Amount, Loan Tenure, Loan Outstanding, EMI Pending, Principal Outstanding {{ "start_date": null, "end_date": null, "time_stamp_col": null, "agg_columns": ["Loan Amount", "Loan Tenure", "Loan Outstanding", "EMI Pending", "Principal Outstanding"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Zone", "Region", "Branch", "RM Name"], "filters": {{}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 6: User Question: Top 2 zones by Housing Loan in the year 2019 {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Due Date", "agg_columns": ["Housing Loan"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Zone"], "filters": {{"Product": ["Home Loan"]}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "2", "bottom": null }} Our test dataset has the following columns: {json_data} User Question (to be converted): {{user_question}}''' user_question = "Which pokemon has the highest attack and which has lowest defense?" ``` Can anyone assist with this? ### Idea or request for content: _No response_
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13,681
Returning "ValidationError: 1 validation error for LLMChain prompt value is not a valid dict (type=type_error.dict)" while trying to run the LLMChain
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2023-11-21T21:15:55
2023-11-21T21:20:40
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### Issue with current documentation: I have run the below code which will try to go through the csv file and return the answer ``` import pandas as pd import json from langchain.llms import OpenAI from langchain.chains import LLMChain openai_api_key = '' # Read CSV file into a DataFrame df = pd.read_csv('https://gist.githubusercontent.com/armgilles/194bcff35001e7eb53a2a8b441e8b2c6/raw/92200bc0a673d5ce2110aaad4544ed6c4010f687/pokemon.csv') # del df['Due Date'] # del df['Closing Date'] # Create a dictionary of unique values per column unique_values_per_column = {} for column in df.select_dtypes(include=['object']).columns: # Convert ndarray to list unique_values_per_column[column] = df[column].unique().tolist() # Convert the dictionary to JSON json_data = json.dumps(unique_values_per_column, indent=4) # Now you can use the json_data in your prompt prompt_template = f'''If the dataset has the following columns: {json_data} Understand user questions with different column names and convert them to a JSON format. Here's an example: Example 1: User Question: Top 2 zones by Housing Loan in the West and South in the year 2019 excluding small loans and with Discount > 5 and Term Deposit between 10k and 15k {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Month", "agg_columns": ["Housing Loan"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Zone"], "filters": {{"Zone": ["West", "South"]}}, "not_in": {{"Loan Type": ["Small"]}}, "num_filter": {{ "gt": [ ["Discount", 5], ["Term Deposit", 10000] ], "lt": [ ["Term Deposit", 15000] ] }}, "percent": false, "top": "2", "bottom": null }} Example 2: User Question: What is the Highest Loan Amount and Loan Outstanding by RM Name James in January 2020 {{ "start_date": "01-01-2020", "end_date": "31-01-2020", "time_stamp_col": "Due Date", "agg_columns": ["Loan Amount", "Loan Outstanding"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": [], "filters": {{"RM Name": ["James"]}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 3: User Question: Which RM Name with respect to Region has the Highest Interest Outstanding and Principal Outstanding in the year 2019 {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Due Date", "agg_columns": ["Interest Outstanding", "Principal Outstanding"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["RM Name", "Region"], "filters": {{}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 4: User Question: Which Branch in North Carolina with respect to Cibil Score Bucket has the Highest Cibil Score in 2019 {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Due Date", "agg_columns": ["Cibil Score", "DPD Bucket"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Branch"], "filters": {{"Region": ["North Carolina"]}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 5: User Question: With respect to Zone, Region, Branch, RM Name what is the Highest Loan Amount, Loan Tenure, Loan Outstanding, EMI Pending, Principal Outstanding {{ "start_date": null, "end_date": null, "time_stamp_col": null, "agg_columns": ["Loan Amount", "Loan Tenure", "Loan Outstanding", "EMI Pending", "Principal Outstanding"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Zone", "Region", "Branch", "RM Name"], "filters": {{}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "1", "bottom": null }} Example 6: User Question: Top 2 zones by Housing Loan in the year 2019 {{ "start_date": "01-01-2019", "end_date": "31-12-2019", "time_stamp_col": "Due Date", "agg_columns": ["Housing Loan"], "trend": null, "to_start_date": null, "to_end_date": null, "growth": null, "variables_grpby": ["Zone"], "filters": {{"Product": ["Home Loan"]}}, "not_in": {{}}, "num_filter": {{}}, "percent": false, "top": "2", "bottom": null }} Our test dataset has the following columns: {json_data} User Question (to be converted): {{user_question}}''' # Use langchain to process the prompt llm = OpenAI(api_key=openai_api_key, temperature=0.9) chain = LLMChain(llm=llm, prompt=prompt_template) user_question = "What is the Highest Loan Amount and Loan Outstanding by RM Name James in January 2020" response = chain.run(user_question) print(response) ``` Below is the error it's returning ``` WARNING! api_key is not default parameter. api_key was transferred to model_kwargs. Please confirm that api_key is what you intended. --------------------------------------------------------------------------- ValidationError Traceback (most recent call last) ~\AppData\Local\Temp\ipykernel_22224\1265770286.py in <cell line: 169>() 167 # Use langchain to process the prompt 168 llm = OpenAI(api_key=openai_api_key, temperature=0.9) --> 169 chain = LLMChain(llm=llm, prompt=prompt_template) 170 171 ~\anaconda3\lib\site-packages\langchain\load\serializable.py in __init__(self, **kwargs) 72 73 def __init__(self, **kwargs: Any) -> None: ---> 74 super().__init__(**kwargs) 75 self._lc_kwargs = kwargs 76 ~\anaconda3\lib\site-packages\pydantic\main.cp310-win_amd64.pyd in pydantic.main.BaseModel.__init__() ValidationError: 1 validation error for LLMChain prompt value is not a valid dict (type=type_error.dict) ``` Can anyone assist what exactly is the error? ### Idea or request for content: _No response_
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fixed import error for BashOutputParser
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CONTRIBUTOR
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<!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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Embaas - added backoff retries for network requests
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2023-11-21T21:12:21
2023-12-05T00:21:35
2023-12-05T00:21:35
CONTRIBUTOR
null
Running a large number of requests to Embaas' servers (or any server) can result in intermittent network failures (both from local and external network/service issues). This PR implements exponential backoff retries to help mitigate this issue.
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[OBSOLETE] added CrossEncoderReranker with HuggingFaceCrossEncoder and SagemakerEndpointCrossEncoder
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2023-11-21T20:43:32
2023-12-01T17:24:31
2023-11-21T23:07:21
CONTRIBUTOR
null
- **Description:** Support reranking based on cross encoder models available from HuggingFace. - Added `CrossEncoder` schema - Implemented `HuggingFaceCrossEncoder` and `SagemakerEndpointCrossEncoder` - Implemented `CrossEncoderReranker` that performs similar functionality to `CohereRerank` - Added `cross-encoder-reranker.ipynb` to demonstrate how to use it. Please let me know if anything else needs to be done to make it visible on the table-of-contents navigation bar on the left, or on the card list on [retrievers documentation page](https://python.langchain.com/docs/integrations/retrievers). - **Issue:** N/A - **Dependencies:** None other than the existing ones.
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CLI 0.0.19
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2023-11-21T20:34:40
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Update name
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Issue: Queries on conversational retreival chain prompt
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2023-11-21T20:28:07
2023-11-21T20:48:23
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### Issue you'd like to raise. I am using conversational retreival chain .from_llm(). If i try to print the final prompt that is been sent to LLM there i see LLM calls total 2 times. I will paste both the prompt in both calls. Below is the code i am using `qa_chain = ConversationalRetrievalChain.from_llm(llm=llm, chain_type=chain_type, retriever=vector_database.as_retriever(), return_source_documents=True) qa_chain({'question': 'summarize this document', "chat_history": [('what is this', 'this is something'),('who you are', 'i am nothing')]})` Below i can see the prompt sending to LLM 2 times **1st call to LLM:** Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question, in its original language. Chat History: human: what is this assistant: this is something human: who you are assistant: i am nothing Follow Up Input: summarize this document Standalone question:""" **2nd call to LLM:** Use the following pieces of context to answer the question at the end. If you don't know the answer, just say that you don't know, don't try to make up an answer. Title: Details Title:Details Tile:Details Question: what is the summary of the document? Helpful Answers: In the above mentioned 2 calls i can see clearly whatever i have passed in **chat_history** as a question and answer tuple pair that is used to frame my question in the **1st call prompt**. and i can see clearly my original question **summarize this document** is been modified to **what is the summary of the document?** My question or i am trying to understand is, In place of context i see 3 times Title:Details. what is this?? Can you please explain? . is this the output of vectordb.asretreiver? if yes why i am seeing Title:Details 3 times?. please help me understand what is **Title:Details.**? in the **2nd prompt call** Let me know if u need additional context to understand my questions. ### Suggestion: _No response_
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update langserve to v0.0.30
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2023-11-21T19:12:54
2023-11-21T19:17:48
2023-11-21T19:17:47
COLLABORATOR
null
Upgrade langserve template version to 0.0.30 to include new improvements
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fix templates dockerfile
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2023-11-21T19:02:56
2023-11-21T19:09:57
2023-11-21T19:09:56
COLLABORATOR
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- **Description:** We need to update the Dockerfile for templates to also copy your README.md. This is because poetry requires that a readme exists if it is specified in the pyproject.toml
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Updated integration with Clarifai python SDK functions
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2023-11-21T18:18:26
2023-12-06T04:08:00
2023-12-06T04:08:00
CONTRIBUTOR
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Description : Updated the functions with new Clarifai python SDK. Enabled initialisation of Clarifai class with model URL. Updated docs with new functions examples.
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Bugfix duckduckgo_search news search
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2023-11-21T18:08:19
2023-12-05T00:48:20
2023-12-05T00:48:20
CONTRIBUTOR
null
- **Description:** Bugfix duckduckgo_search news search - **Issue:** https://github.com/langchain-ai/langchain/issues/13648 - **Dependencies:** None - **Tag maintainer:** @baskaryan
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Fix SearchApi integration
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2023-11-21T17:57:54
2023-12-05T00:24:03
2023-12-05T00:24:03
CONTRIBUTOR
null
When integrating into the [Langflow](https://github.com/logspace-ai/langflow) repo, we noticed some issues with the integration, mainly with imports. This PR fixes the imports and updates the documentation. @baskaryan since you reviewed our last PR - https://github.com/langchain-ai/langchain/pull/11023.
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Can not load chain with ChatPromptTemplate
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2023-11-21T17:40:19
2023-11-27T16:39:51
2023-11-27T16:39:51
CONTRIBUTOR
null
### System Info LangChain version: `0.0.339` Python version: `3.10` ### Who can help? @hwchase17 ### Information - [ ] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [X] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction When serializing the `ChatPromptTemplate`, it saves it in a JSON/YAML format like this: ``` {'input_variables': ['question', 'context'], 'output_parser': None, 'partial_variables': {}, 'messages': [{'prompt': {'input_variables': ['context', 'question'], 'output_parser': None, 'partial_variables': {}, 'template': "...", 'template_format': 'f-string', 'validate_template': True, '_type': 'prompt'}, 'additional_kwargs': {}}], '_type': 'chat'} ``` Note that the `_type` is "chat". However, LangChain's `load_prompt_from_config` [does not recognize "chat" as the supported prompt type](https://github.com/langchain-ai/langchain/blob/master/libs/core/langchain_core/prompts/loading.py#L19). Here is a minimal example to reproduce the issue: ```python from langchain.prompts import ChatPromptTemplate from langchain.chains import RetrievalQA from langchain.llms import OpenAI from langchain.vectorstores import FAISS from langchain.embeddings import OpenAIEmbeddings from langchain.chains.loading import load_chain TEMPLATE = """Answer the question based on the context: {context} Question: {question} Answer: """ chat_prompt = ChatPromptTemplate.from_template(TEMPLATE) llm = OpenAI() def get_retriever(persist_dir = None): vectorstore = FAISS.from_texts( ["harrison worked at kensho"], embedding=OpenAIEmbeddings() ) return vectorstore.as_retriever() chain_with_chat_prompt = RetrievalQA.from_chain_type( llm=llm, chain_type="stuff", retriever=get_retriever(), chain_type_kwargs={"prompt": chat_prompt}, ) chain_with_prompt_saved_path = "./chain_with_prompt.yaml" chain_with_prompt.save(chain_with_prompt_saved_path) loaded_chain = load_chain(chain_with_prompt_saved_path, retriever=get_retriever()) ``` The above script failed with the error: `ValueError: Loading chat prompt not supported` ### Expected behavior Load a chain that contains `ChatPromptTemplate` should work.
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Updated Clarifai-gRPC with Clarifai python SDK functions
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2023-11-21T17:30:56
2023-11-21T17:58:30
2023-11-21T17:58:30
CONTRIBUTOR
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Description : Updated the functions with new Clarifai python SDK. Enabled initialisation of Clarifai class with model URL. Updated docs with new functions examples.
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more core fixes
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2023-11-21T16:55:15
2023-11-21T23:15:50
2023-11-21T23:15:49
COLLABORATOR
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Fix some circular deps: - move PromptValue into top level module bc both PromptTemplates and OutputParsers import - move tracer context vars to `tracers.context` and import them in functions in `callbacks.manager` - add core import tests
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bump 0.0.339rc0
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2023-11-21T16:41:49
2023-11-21T16:42:00
2023-11-21T16:41:59
COLLABORATOR
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null
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13,662
Issue: How to validate Tool input arguments without raising ValidationError
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2023-11-21T16:23:53
2023-12-12T03:13:52
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### Issue you'd like to raise. I am creating a tool that takes a multiple input arguments (say input1, input2). I would like to validate their types and also make sure that the tool only receives input1 and input2. How do I validate this without breaking the llm chain. I would instead like to return a warning to the llm agent. something like, "The input passed were incorrect, please try again" ### Suggestion: _No response_
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Add CometTracer
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2023-11-21T16:14:07
2023-12-05T00:46:48
2023-12-05T00:46:48
CONTRIBUTOR
null
Hi! I'm Alex, Python SDK Team Lead from [Comet](https://www.comet.com/site/). This PR contains our new integration between langchain and Comet - `CometTracer` class which uses new `comet_llm` python package for submitting data to Comet. No additional dependencies for the langchain package are required directly, but if the user wants to use `CometTracer`, `comet-llm>=2.0.0` should be installed. Otherwise an exception will be raised from `CometTracer.__init__`. A test for the feature is included. There is also an already existing callback (and .ipynb file with example) which ideally should be deprecated in favor of a new tracer. I wasn't sure how exactly you'd prefer to do it. For example we could open a separate PR for that. I'm open to your ideas :)
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Fix Sagemaker Endpoint documentation
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2023-11-21T16:07:42
2023-12-05T00:28:30
2023-12-05T00:28:29
CONTRIBUTOR
null
- **Description:** fixed the transform_input method in the example., - **Issue:** example didn't work, - **Dependencies:** None, - **Tag maintainer:** @baskaryan, - **Twitter handle:** @Ravidhu87
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adapt Jina Embeddings to new Jina AI Embedding API
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2023-11-21T15:13:37
2023-12-05T04:40:34
2023-12-05T04:40:33
CONTRIBUTOR
null
- **Description:** Adapt JinaEmbeddings to run with the new Jina AI Embedding platform - **Twitter handle:** https://twitter.com/JinaAI_
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Switched VertexAI models from preview
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2023-11-21T15:12:14
2023-11-29T01:38:04
2023-11-29T01:38:04
CONTRIBUTOR
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Replace this entire comment with: - **Description:** VertexAI models are now GA, moved away from using preview ones from the SDK - **Issue:** #13606
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Error in executing SPARQL query with GraphSparqlQAChain and custom LLM (llamacpp)
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### System Info Langchain Version: 0.0.339 Python Version: 3.10.12 ### Who can help? @hwchase17 When trying to execute the example from the GraphSparqlQAChain docs a ValueError arises, in my understanding because it cannot parse the query correctly and execute it against the graph. ``` > Entering new GraphSparqlQAChain chain... Llama.generate: prefix-match hit The URI of Tim Berners-Lee's work homepage is <https://www.w3.org/People/Berners-Lee/>. --------------------------------------------------------------------------- ValueError Traceback (most recent call last) [<ipython-input-13-432f483fbf1b>](https://localhost:8080/#) in <cell line: 2>() 1 llm_chain = GraphSparqlQAChain.from_llm(llm=llm, graph=graph, verbose=True) ----> 2 llm_chain.run("What is Tim Berners-Lee's work homepage?") 3 frames [/usr/local/lib/python3.10/dist-packages/langchain/chains/base.py](https://localhost:8080/#) in run(self, callbacks, tags, metadata, *args, **kwargs) 503 if len(args) != 1: 504 raise ValueError("`run` supports only one positional argument.") --> 505 return self(args[0], callbacks=callbacks, tags=tags, metadata=metadata)[ 506 _output_key 507 ] [/usr/local/lib/python3.10/dist-packages/langchain/chains/base.py](https://localhost:8080/#) in __call__(self, inputs, return_only_outputs, callbacks, tags, metadata, run_name, include_run_info) 308 except BaseException as e: 309 run_manager.on_chain_error(e) --> 310 raise e 311 run_manager.on_chain_end(outputs) 312 final_outputs: Dict[str, Any] = self.prep_outputs( [/usr/local/lib/python3.10/dist-packages/langchain/chains/base.py](https://localhost:8080/#) in __call__(self, inputs, return_only_outputs, callbacks, tags, metadata, run_name, include_run_info) 302 try: 303 outputs = ( --> 304 self._call(inputs, run_manager=run_manager) 305 if new_arg_supported 306 else self._call(inputs) [/usr/local/lib/python3.10/dist-packages/langchain/chains/graph_qa/sparql.py](https://localhost:8080/#) in _call(self, inputs, run_manager) 101 intent = "UPDATE" 102 else: --> 103 raise ValueError( 104 "I am sorry, but this prompt seems to fit none of the currently " 105 "supported SPARQL query types, i.e., SELECT and UPDATE." ValueError: I am sorry, but this prompt seems to fit none of the currently supported SPARQL query types, i.e., SELECT and UPDATE. ``` ### Information - [X] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [X] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [X] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction Steps to reproduce the behaviour: 1. Follow the example as per the documentation: https://python.langchain.com/docs/use_cases/graph/graph_sparql_qa 2. Instead of the OpenAPI use a custom llamacpp deploy i.e. ``` llm = LlamaCpp( model_path=model_path, n_gpu_layers=32, n_batch=512, callback_manager=callback_manager, n_ctx=2048, verbose=True, # Verbose is required to pass to the callback manager ) ``` 3. Run the chain: ``` llm_chain = GraphSparqlQAChain.from_llm(llm=llm, graph=graph, verbose=True) llm_chain.run("What is Tim Berners-Lee's work homepage?") ``` ### Expected behavior Apart from giving the right result (which it does) the SPARQL query should be shown and run against the graph, as per documentation this should be the reply: ``` > Entering new GraphSparqlQAChain chain... Identified intent: SELECT Generated SPARQL: PREFIX foaf: <http://xmlns.com/foaf/0.1/> SELECT ?homepage WHERE { ?person foaf:name "Tim Berners-Lee" . ?person foaf:workplaceHomepage ?homepage . } Full Context: [] > Finished chain. "Tim Berners-Lee's work homepage is http://www.w3.org/People/Berners-Lee/." ```
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13,655
LlamaCppEmbeddings - fails if all available GPU layers are used.
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2023-11-21T14:49:47
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### System Info Langchain 0.0.326 Windows Python 3.11.5 Nvidia P6-16Q GPU ### Who can help? _No response_ ### Information - [X] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [X] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction Loading up all available GPU layers appears to cause LlamaCppEmbeddings to fail? - Edit: this was my original submission because I was using -1 for the n_gpu_layers but I did further testing and noted that it was only if you used 34 or 35 - for 33 it works, but not 34 or 35. For example this fails: `llama = LlamaCppEmbeddings(model_path=r"mistral-7b-instruct-v0.1.Q5_K_M.gguf", n_ctx=512, n_gpu_layers=34)` ``` llm_load_tensors: ggml ctx size = 0.09 MB llm_load_tensors: using CUDA for GPU acceleration llm_load_tensors: mem required = 86.05 MB (+ 128.00 MB per state) llm_load_tensors: offloading 32 repeating layers to GPU llm_load_tensors: offloading non-repeating layers to GPU llm_load_tensors: offloading v cache to GPU llm_load_tensors: offloaded 34/35 layers to GPU llm_load_tensors: VRAM used: 4840 MB ``` With this error message: ``` Traceback (most recent call last): File "c:\Users\x\Desktop\Embedding\EmbeddingScript.py", line 11, in <module> query_result = llama.embed_query("Hello World") ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\x\AppData\Local\Programs\Python\Python311\Lib\site-packages\langchain\embeddings\llamacpp.py", line 125, in embed_query embedding = self.client.embed(text) ^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\x\AppData\Local\Programs\Python\Python311\Lib\site-packages\llama_cpp\llama.py", line 860, in embed return list(map(float, self.create_embedding(input)["data"][0]["embedding"])) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\x\AppData\Local\Programs\Python\Python311\Lib\site-packages\llama_cpp\llama.py", line 824, in create_embedding self.eval(tokens) File "C:\Users\x\AppData\Local\Programs\Python\Python311\Lib\site-packages\llama_cpp\llama.py", line 491, in eval return_code = llama_cpp.llama_eval( ^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\x\AppData\Local\Programs\Python\Python311\Lib\site-packages\llama_cpp\llama_cpp.py", line 808, in llama_eval return _lib.llama_eval(ctx, tokens, n_tokens, n_past, n_threads) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ OSError: exception: access violation writing 0x0000000000000000 ``` However, this does not fail: `llama = LlamaCppEmbeddings(model_path=r"mistral-7b-instruct-v0.1.Q5_K_M.gguf", n_ctx=512, n_gpu_layers=33)` ``` lm_load_tensors: ggml ctx size = 0.09 MB llm_load_tensors: using CUDA for GPU acceleration llm_load_tensors: mem required = 86.05 MB (+ 128.00 MB per state) llm_load_tensors: offloading 32 repeating layers to GPU llm_load_tensors: offloading non-repeating layers to GPU llm_load_tensors: offloaded 33/35 layers to GPU llm_load_tensors: VRAM used: 4808 MB ``` It may not be a langchain problem, I am not knowledgeable enough to know - but not sure why you can't load up all the available layers of the GPU? ### Expected behavior I would have thought that using all available layers of the GPU would not cause it to fail.
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Tests: Fix regression in `ConsistentFakeEmbeddings.embed_query`
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2023-11-21T14:31:09
2023-12-05T00:46:30
2023-12-05T00:46:29
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**Description**: Fixes a regression in `ConsistentFakeEmbeddings.embed_query`. **Issue**: The function did not return the correct values. **Dependencies**: -, **Tag maintainer**: @baskaryan ---- Hi there, first things first: Thanks a stack for conceiving and maintaining LangChain. At https://github.com/crate-workbench/langchain/pull/1, we are working on a database adapter for [CrateDB](https://github.com/crate/crate) [^1], where we may have discovered a minor flaw recently introduced to the test utility `ConsistentFakeEmbeddings`. The function `ConsistentFakeEmbeddings.embed_query` was changed to only return the embedding of the query expression, without considering the known texts, as advertised. It was the recent commit a28eea57674a9 which may have changed it inadvertently this way. The fix works well on behalf of the test cases we are running (`pytest -vvv tests/ -k cratedb`) [^2], but we didn't run it on any other vector store adapters. It may well have some impact, depending on where `ConsistentFakeEmbeddings` has been used, and how its outcomes are being evaluated on behalf of other test cases. With kind regards, Andreas. [^1]: After sorting out some remaining issues, we hope to be able to contribute this adapter soon, and hope it will be well received. [^2]: Actually, it was needed by a test case we added with https://github.com/crate-workbench/langchain/pull/15, where it also has been discovered.
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Issue: Unable to Serialize AgentExecutor Object for Centralized Storage
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### Issue you'd like to raise. To develop a scalable solution, I hoped to store the AgentExecutor object in centralized memory, such as Redis. However, due to its non-serializable nature, this has not been possible. Is there a workaround to achieve this? ### Suggestion: _No response_
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fix the problem that redis vector store will change metadata with val…
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- **Description:** This commit fixed the problem that Redis vector store will change the value of a metadata from 0 to empty when saving the document, which should be an un-intended behavior. - **Issue:** N/A - **Dependencies:** N/A
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Issue: getting error in deletion of embeddings for a file
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2023-11-21T13:25:26
2023-11-21T13:33:34
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### Issue you'd like to raise. def delete_embeddings(file_path, persist_directory): chroma_db = chromadb.PersistentClient(path=persist_directory) collection = chroma_db.get_or_create_collection(name="langchain") ids = collection.get(where={"source": file_path})['ids'] collection.delete(where={"source": file_path},ids=ids) print("delete successfully") below is the error i am getting File "/home/aaditya/DBChat/CustomBot/user_projects/views.py", line 1028, in project_pages delete_embeddings(names, persist_directory) File "/home/aaditya/DBChat/CustomBot/accounts/common_langcain_qa.py", line 134, in delete_embeddings chroma_db = chromadb.PersistentClient(path=persist_directory) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/aaditya/DBChat/chat/lib/python3.11/site-packages/chromadb/__init__.py", line 106, in PersistentClient return Client(settings) ^^^^^^^^^^^^^^^^ File "/home/aaditya/DBChat/chat/lib/python3.11/site-packages/chromadb/__init__.py", line 143, in Client api = system.instance(API) ^^^^^^^^^^^^^^^^^^^^ File "/home/aaditya/DBChat/chat/lib/python3.11/site-packages/chromadb/config.py", line 248, in instance impl = type(self) ^^^^^^^^^^ File "/home/aaditya/DBChat/chat/lib/python3.11/site-packages/chromadb/api/segment.py", line 81, in __init__ self._sysdb = self.require(SysDB) ^^^^^^^^^^^^^^^^^^^ File "/home/aaditya/DBChat/chat/lib/python3.11/site-packages/chromadb/config.py", line 189, in require inst = self._system.instance(type) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/aaditya/DBChat/chat/lib/python3.11/site-packages/chromadb/config.py", line 248, in instance impl = type(self) ### Suggestion: _No response_
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Enable support for async streaming on VertexAI
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2023-11-21T13:17:44
2024-01-04T20:51:12
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NONE
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- **Description:** Enable support for async streaming on VertexAI based on release [1.36.0](https://github.com/googleapis/python-aiplatform/releases/tag/v1.36.0) from vertexai SDK - **Issue:** N/A - **Dependencies:** Users will need google-cloud-aiplatform>=1.36.0 - **Tag maintainer:** @baskaryan @leo-gan PS: I couldn't find unit test for vertex ai that's why I did not add those.
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issue langchain-ai#12165 mask API key and IAM token in YandexGPT
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2023-11-21T12:32:20
2023-12-05T00:30:35
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- **Description:** The PR masks API key and IAM token secrets for the YandexGPT model. - **Issue:** #12165 - **Dependencies:** yandexcloud, - **Tag maintainer:** @eyurtsev , - **Twitter handle:** cheparukhin_s
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ddg error: backend "news" is obsolete so should raise an error and example should be updated
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2023-11-21T12:10:21
2023-11-21T16:02:01
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CONTRIBUTOR
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### System Info Ubuntu 22 python 3.10.12 Langchain==0.0.339 duckduckgo-search==3.9.6 ### Who can help? @timonpalm who created [the PR](https://github.com/langchain-ai/langchain/pull/8292) ### Information - [X] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [X] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction Steps are straight from [this help page](https://python.langchain.com/docs/integrations/tools/ddg) which is [this notebook](https://github.com/langchain-ai/langchain/blob/611e1e0ca45343b86debc0d24db45703ee63643b/docs/docs/integrations/tools/ddg.ipynb#L69) ``` from langchain.tools import DuckDuckGoSearchResults search = DuckDuckGoSearchResults(backend="news") search.run("Obama") ``` This results in error: ``` Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/USER/.local/lib/python3.10/site-packages/langchain/tools/base.py", line 365, in run raise e File "/home/USER/.local/lib/python3.10/site-packages/langchain/tools/base.py", line 337, in run self._run(*tool_args, run_manager=run_manager, **tool_kwargs) File "/home/USER/.local/lib/python3.10/site-packages/langchain/tools/ddg_search/tool.py", line 61, in _run res = self.api_wrapper.results(query, self.num_results, backend=self.backend) File "/home/USER/.local/lib/python3.10/site-packages/langchain/utilities/duckduckgo_search.py", line 108, in results for i, res in enumerate(results, 1): File "/home/USER/.local/lib/python3.10/site-packages/duckduckgo_search/duckduckgo_search.py", line 96, in text for i, result in enumerate(results, start=1): UnboundLocalError: local variable 'results' referenced before assignment ``` Looking at the source code of duckduckgo-search package I see this function: ``` def text( self, keywords: str, region: str = "wt-wt", safesearch: str = "moderate", timelimit: Optional[str] = None, backend: str = "api", max_results: Optional[int] = None, ) -> Iterator[Dict[str, Optional[str]]]: """DuckDuckGo text search generator. Query params: https://duckduckgo.com/params Args: keywords: keywords for query. region: wt-wt, us-en, uk-en, ru-ru, etc. Defaults to "wt-wt". safesearch: on, moderate, off. Defaults to "moderate". timelimit: d, w, m, y. Defaults to None. backend: api, html, lite. Defaults to api. api - collect data from https://duckduckgo.com, html - collect data from https://html.duckduckgo.com, lite - collect data from https://lite.duckduckgo.com. max_results: max number of results. If None, returns results only from the first response. Defaults to None. Yields: dict with search results. """ if backend == "api": results = self._text_api(keywords, region, safesearch, timelimit, max_results) elif backend == "html": results = self._text_html(keywords, region, safesearch, timelimit, max_results) elif backend == "lite": results = self._text_lite(keywords, region, timelimit, max_results) for i, result in enumerate(results, start=1): yield result if max_results and i >= max_results: break ``` My assessment is that langchain should raise an exception if backend is not part of ["api", "html", "lite"] and the notebook should not mention this "news" feature anymore. ### Expected behavior Crashing when creating instance of ` DuckDuckGoSearchResults` with invalid `backend` argument and updating the documentation.
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SQL Agent not working well with Claude v2 model
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2023-11-21T12:00:56
2023-11-22T09:22:29
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CONTRIBUTOR
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### Issue you'd like to raise. Im trying to develop an sql agent chatbot that will generate and exceute SQL queries based on the user free-text questions. so far I have developed a generic and basic agent with ChatGPT-4 and it worked pretty well (generated complex SQL and returned an answer). When I tried to switch the LLM with Claude v2 (hosted on AWS Bedrock) things started to break. sometimes the agent get stuck in a loop of the same input (for example): ``` > Entering new AgentExecutor chain... Here is my thought process and actions to answer the question "how many alerts?": Thought: I need to first see what tables are available in the database. Action: sql_db_list_tables Action Input: Observation: alerts, detectors Thought: Here is my response to the question "how many alerts?": Thought: I need to first see what tables are available in the database. Action: sql_db_list_tables Action Input: Observation: alerts, detectors Thought: Here is my response to the question "how many alerts?": Thought: I need to first see what tables are available in the database. Action: sql_db_list_tables Action Input: Observation: alerts, detectors Thought: Here is my response to the question "how many alerts?": Thought: I need to first see what tables are available in the database. Action: sql_db_list_tables Action Input: Observation: alerts, detectors Thought: Here is my response to the question "how many alerts?": ``` sometimes it gets to the point that it actually query the db and get the result but don't stop the run and return the answer. Here is how I configured the LLM and agent: ``` def aws_bedrock(): config = AwsBedrockConfig() client = boto3.client( 'bedrock-runtime', region_name=config.region_name, aws_access_key_id=config.aws_access_key_id, aws_secret_access_key=config.aws_secret_access_key, ) model_kwargs = { "prompt": "\n\nHuman: Hello world\n\nAssistant:", "max_tokens_to_sample": 100000, "temperature": 0, "top_k": 10, "top_p": 1, "stop_sequences": [ "\n\nHuman:" ], "anthropic_version": "bedrock-2023-05-31" } return Bedrock( client=client, model_id=config.model_id, model_kwargs=model_kwargs ) ``` (also tried to change the model arguments with no success) ``` memory = ConversationBufferMemory(memory_key="history", chat_memory=history) toolkit = SQLDatabaseToolkit(db=db, llm=self.llm) self.agent = create_sql_agent( llm=self.llm, toolkit=toolkit, extra_tools=[TableCommentsTool(db=db)], prefix=self.format_sql_prefix(filters), suffix=HISTORY_SQL_SUFFIX, agent_type=AgentType.ZERO_SHOT_REACT_DESCRIPTION, agent_executor_kwargs={"memory": memory}, verbose=True, input_variables=["input", "history", "agent_scratchpad"] ) ``` ### Suggestion: _No response_
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Update bedrock.py to fix bug
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2023-11-22T01:28:38
2023-11-22T01:28:38
CONTRIBUTOR
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fix bug <!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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13,645
Added partial_variables to BaseStringMessagePromptTemplate.from_template(...)
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2023-11-21T11:21:33
2023-11-22T09:21:06
2023-11-22T01:48:38
CONTRIBUTOR
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**Description:** BaseStringMessagePromptTemplate.from_template was passing the value of partial_variables into cls(...) via **kwargs, rather than passing it to PromptTemplate.from_template. Which resulted in those *partial_variables being* lost and becoming required *input_variables*. **twitter handle**: @josep_pon
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Support for streaming in the langchain chains (eg., load_summarize_chain)
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2023-11-21T11:20:41
2023-11-24T16:19:26
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### Feature request Hello, I'm not sure if this is already supported or not, I couldn't find anything in the documentation. Is there a way to make chains support streaming ? It would be nice if we can get it working with something like the `load_summarize_chain`. Or something like this: ``` doc_prompt = PromptTemplate.from_template("{page_content}") chain = ( { "content": lambda docs: "\n\n".join( format_document(doc, doc_prompt) for doc in docs ) } | PromptTemplate.from_template("Summarize the following content:\n\n{content}") | OpenAI( temperature=1, model_name=llm_model, stream=True, ) | StrOutputParser() ) docs = [ Document( page_content=split, metadata={"source": "https://en.wikipedia.org/wiki/Nuclear_power_in_space"}, ) for split in text.split() ] for partial_result in chain.invoke(docs): print(partial_result) ``` ### Motivation I have long documents to summarize, so I would like to show the partial results in streaming mode and not make the user wait so long to get the final result. ### Your contribution No. If it's not possible, I'm willing to implement the summarization chain from scratch and use the OpenAI lib.
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Use pytest asyncio auto mode
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2023-11-21T10:17:31
2023-11-21T15:00:15
2023-11-21T15:00:13
COLLABORATOR
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<!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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Adjust Cobol Splitter. Take into consideration all divisions
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2023-12-05T00:35:55
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- **Description:** Enhancements to the CobolSegmenter 1- Improved COBOL code validation by checking for the presence of essential COBOL division keywords (IDENTIFICATION, DATA, PROCEDURE, ENVIRONMENT) using a regular expression. 2- Refinements made to the _process_lines method, which iterates through all lines in the COBOL code. It now effectively identifies the start index when inside a relevant section. 3- The regular expression for identifying paragraphs has been updated to exclude certain keywords (e.g., "END_PERFORM," "END-IF," etc.), preventing them from being mistakenly categorized as paragraphs and split. 4- With the comprehensive division splitting and consideration of all code segments, the need for "simplify_code" is eliminated.
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Add dstack services integration
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2023-11-21T09:43:42
2023-12-01T14:00:44
2023-12-01T14:00:44
NONE
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- **Description:** This PR adds `Dstack` LLM and `ChatDstack` chat model. It allows easily call LLMs deployed as a dstack service. - **Twitter handle:** @dstackai
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DOC: Template "rag-gpt-crawler" doc is incorrect
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2023-11-21T09:39:28
2023-11-22T22:06:11
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### Issue with current documentation: Regarding: https://github.com/langchain-ai/langchain/blob/master/templates/rag-gpt-crawler/README.md I found 2 issues: 1. no such file as "server.py" ( there is "rag_gpt_crawler.ipynb" instead ) 2. in docs linked line `from rag_chroma import chain as rag_gpt_crawler` is not the same as shown in terminal `from rag_gpt_crawler import chain as rag_gpt_crawler_chain` I think the first is incorrect. ### Idea or request for content: _No response_
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DOC: Text metadata
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2023-11-24T10:28:28
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### Issue with current documentation: The documentation on [creating documents](https://js.langchain.com/docs/modules/data_connection/document_loaders/how_to/creating_documents) covers optional document metadata but doesn't mention that it's possible to create text metadata in `page_content`. For example if only a filename is given to `CSVLoader` it will assume the header is metadata and [delimit each key-value pair with a newline](https://github.com/aws-samples/multi-tenant-chatbot-using-rag-with-amazon-bedrock/pull/14). Chat LangChain will talk about this source of metadata but I can't find any additional information in the provided references. > In the context of the RAG model, if the CSV data is used as a source for retrieval or generation, the fieldnames can be utilized in several ways: > > • Retrieval: The fieldnames can be used as query terms to retrieve relevant documents from the CSV dataset. The RAG model can leverage the fieldnames to understand the user's query and retrieve documents that match the specified criteria. > > • Generation: The fieldnames can provide context and constraints for generating responses. The RAG model can use the fieldnames as prompts or conditioning information to generate responses that are specific to the content of the corresponding columns in the CSV file. > > By incorporating the CSV fieldnames into the retrieval and generation processes, the RAG model can produce more accurate and contextually relevant results based on the specific attributes and structure of the CSV dataset. ### Idea or request for content: A description of the consequences of including text metadata for different scenarios, models, data stores. Strategies for including text metadata.
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Add progress bar to GooglePalmEmbeddings
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2023-11-21T09:16:16
2023-11-21T09:18:40
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CONTRIBUTOR
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### Feature request Add a progress bar to `GooglePalmEmbeddings.embed_documents()` function. [tqdm](https://github.com/tqdm/tqdm) would work just fine. In my opinion, all embedders should have a progress bar. ### Motivation When processing embeddings the user should have an idea of how much time is going to take to embed the data. While using GooglePalmEmbeddings, which are not the fastest, I couldn't see a progress bar and that was frustrating me because I had no idea if it was even accessing GooglePalm correctly or how much time it was going to take. ### Your contribution ```python from __future__ import annotations import logging from typing import Any, Callable, Dict, List, Optional from tqdm import tqdm from langchain_core.pydantic_v1 import BaseModel, root_validator from langchain_core.schema.embeddings import Embeddings from tenacity import ( before_sleep_log, retry, retry_if_exception_type, stop_after_attempt, wait_exponential, ) from langchain.utils import get_from_dict_or_env logger = logging.getLogger(__name__) ... class GooglePalmEmbeddings(BaseModel, Embeddings): """Google's PaLM Embeddings APIs.""" client: Any google_api_key: Optional[str] model_name: str = "models/embedding-gecko-001" """Model name to use.""" @root_validator() def validate_environment(cls, values: Dict) -> Dict: """Validate api key, python package exists.""" google_api_key = get_from_dict_or_env( values, "google_api_key", "GOOGLE_API_KEY" ) try: import google.generativeai as genai genai.configure(api_key=google_api_key) except ImportError: raise ImportError("Could not import google.generativeai python package.") values["client"] = genai return values def embed_documents(self, texts: List[str]) -> List[List[float]]: return [self.embed_query(text) for text in tqdm(texts)] def embed_query(self, text: str) -> List[float]: """Embed query text.""" embedding = embed_with_retry(self, self.model_name, text) return embedding["embedding"] ```
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TypeError in Jira Wrapper When Parsing Empty Ticket Information
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2023-11-21T08:52:06
2023-11-21T08:54:27
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### System Info When using the Jira wrapper in LangChain to parse data from Jira tickets, the application encounters a TypeError if the ticket information is empty. This issue occurs specifically when the priority field of a ticket is not set, leading to a 'NoneType' object is not subscriptable error. ### Environment Details LangChain version: [specify version] Jira Wrapper version: [specify version] Python version: 3.10 Operating System: [specify OS] ### Error Logs/Stack Traces ``` Traceback (most recent call last): ... File "/path/to/langchain/tools/jira/tool.py", line 53, in _run return self.api_wrapper.run(self.mode, instructions) ... File "/path/to/langchain/utilities/jira.py", line 72, in parse_issues priority = issue["fields"]["priority"]["name"] TypeError: 'NoneType' object is not subscriptable ``` ### Proposed Solution I propose adding a check before parsing the ticket information. If the information is empty, return an empty string instead of 'None'. This modification successfully prevented the application from breaking in my tests. ### Who can help? _No response_ ### Information - [ ] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [X] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [X] Agents / Agent Executors - [X] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction Steps to Reproduce 1- Execute a JQL query to fetch issues from a Jira project (e.g., project = SN and sprint = 'SN Sprint 8 + 9' and labels = 'fe'). 2- Ensure that one of the fetched issues has an empty priority field. 3- Observe the application breaking with a TypeError. ### Expected behavior The Jira wrapper should handle cases where ticket information, such as the priority field, is empty, without causing the application to break.
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Chain Type Refine Error: 1 validation error for RefineDocumentsChain prompt extra fields not permitted
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### System Info langchain 0.0.326 ### Who can help? _No response_ ### Information - [ ] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [X] LLMs/Chat Models - [ ] Embedding Models - [X] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [X] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction ``` from langchain.chains import RetrievalQA from langchain.memory import ConversationBufferMemory from langchain.prompts import PromptTemplate # This text splitter is used to create the parent documents - The big chunks parent_splitter = RecursiveCharacterTextSplitter(chunk_size=2000, chunk_overlap=400) # This text splitter is used to create the child documents - The small chunks # It should create documents smaller than the parent child_splitter = RecursiveCharacterTextSplitter(chunk_size=400) # The vectorstore to use to index the child chunks from chromadb.errors import InvalidDimensionException try: vectorstore = Chroma(collection_name="split_parents", embedding_function=bge_embeddings, persist_directory="chroma_db") except InvalidDimensionException: Chroma().delete_collection() vectorstore = Chroma(collection_name="split_parents", embedding_function=bge_embeddings, persist_directory="chroma_db") #vectorstore = Chroma(collection_name="split_parents", embedding_function=bge_embeddings) # The storage layer for the parent documents store = InMemoryStore() big_chunks_retriever = ParentDocumentRetriever( vectorstore=vectorstore, docstore=store, child_splitter=child_splitter, parent_splitter=parent_splitter, ) big_chunks_retriever.add_documents(documents) qa_template = """ Nutze die folgenden Informationen aus dem Kontext (getrennt mit <ctx></ctx>), um die Frage zu beantworten. Antworte nur auf Deutsch, weil der Nutzer kein Englisch versteht! \ Falls du die Antwort nicht weißt, antworte mit "Leider fehlen mir dazu die Informationen." \ Wenn du nicht genügend Informationen unten findest, antworte ebenfalls mit "Leider fehlen mir dazu die Informationen." \ ------ <ctx> {context} </ctx> ------ {query} Answer: """ prompt = PromptTemplate(template=qa_template, input_variables=['context','history', 'question']) chain_type_kwargs={ "verbose": True, "prompt": prompt, "memory": ConversationSummaryMemory( llm=build_llm(), memory_key="history", input_key="question", return_messages=True)} refine = RetrievalQA.from_chain_type(llm=build_llm(), chain_type="refine", return_source_documents=True, chain_type_kwargs=chain_type_kwargs, retriever=big_chunks_retriever, verbose=True) query = "Hi, I am Max, can you help me??" refine(query) ``` ### Expected behavior Hi, in the code you see how I built my RAG model with the ParentDocumentRetriever from Langchain and with Memory. At the moment I am using the RetrievalQA-Chain with the default `chain_type="stuff"`. However I want to try different chain types like "map_reduce" or "refine". But when replacing `chain_type="refine"` and creating the Retrieval QA chain, I get the following Error: ``` ValidationError: 1 validation error for RefineDocumentsChain prompt extra fields not permitted (type=value_error.extra) ``` How can I solve this?
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iMessage loader: implement message content extraction from attributed…
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2023-11-21T03:34:19
2023-11-28T20:45:44
2023-11-28T20:45:43
CONTRIBUTOR
null
- **Description:** We are adding functionality to extract message content from the `attributedBody` field of the database, in case the content is not in the `text` field. - **Issue:** Closes #13326 and #10680 - **Dependencies:** None. - **Tag maintainer:** @eyurtsev, @hwchase17
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remove openai api key from cookbook
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CONTRIBUTOR
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<!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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Lint for imports
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2023-11-21T01:22:35
2023-11-24T08:44:24
2023-11-22T01:42:56
COLLABORATOR
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- Adds pydantic/import linting to core - Adds a check for `langchain_experimental` imports to langchain
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Langchain.schema.runnable now missing from docs?
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2023-11-20T23:53:15
2023-11-24T14:21:53
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### System Info Lanchain V: 0.339 ### Who can help? @hwchase17 @agola11 ### Information - [X] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [X] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [X] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction Following any example that uses a `langchain.schema.runnable` object. For example the "[Adding memory](https://python.langchain.com/docs/expression_language/cookbook/memory)" tutorial uses `RunnableLambda` and `RunnablePassthrough`. - I no longer see `langchain.schema` in the API docs (see image below). - Searching in the API docs also doesn't return any results when searching for `RunnablePassthrough` <img width="363" alt="image" src="https://github.com/langchain-ai/langchain/assets/94480542/1b3ded17-c669-406d-8309-4f953f42c1f6"> ### Expected behavior - I don't see anything in the release notes about the `langchain.schema.runnables` being removed or relocated. - I would have expected to see them in the API docs, or at least for them to still be returned when searching for them. - Not sure if this is a documentation build issue and the modules are still importable as I have not updated my Langchain version yet. I was just using the docs as a reference and then starting getting 404 errors upon page refresh (e.g. [this](https://api.python.langchain.com/en/latest/schema/langchain.schema.messages.AIMessageChunk.html#langchain.schema.messages.AIMessageChunk) page for `AIMessageChunk` also no longer exists)
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BUG fix anthropic models on bedrock
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2023-11-20T23:26:43
2023-11-22T01:40:30
2023-11-22T01:40:29
COLLABORATOR
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Introduced in #13403
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Potential Bug in ConversationalRetrievalChain - TypeError: can only concatenate str (not "CTransformers") to str | TypeError: can only concatenate str (not "AzureChatOpenAI") to str
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2023-11-20T23:14:44
2023-11-30T06:34:23
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### System Info LangChain Version: 0.0.339 Python version: 3.10.8 Windows 10 Enterprise 21H2 When creating a ConversationalRetrievalChain as follows: CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER = ConversationalRetrievalChain( combine_docs_chain=combine_docs_chain, memory=summary_memory, retriever=rag_retriever, question_generator=question_generator_chain ) With LLM = AzureChatOpenAI(...) The following error occurs: " Traceback (most recent call last): File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\threading.py", line 1016, in _bootstrap_inner self.run() File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "C:\Users\om403f\Documents\Applied_Research\Deep_Learning\web_app\app.py", line 1456, in llm_task history_rag_buffer_result = CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER.invoke({'question':user_query, 'chat_history':summary_memory}) File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\base.py", line 87, in invoke return self( File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\base.py", line 310, in __call__ raise e File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\base.py", line 304, in __call__ self._call(inputs, run_manager=run_manager) File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\conversational_retrieval\base.py", line 135, in _call chat_history_str = get_chat_history(inputs["chat_history"]) File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\conversational_retrieval\base.py", line 44, in _get_chat_history ai = "Assistant: " + dialogue_turn[1] TypeError: can only concatenate str (not "AzureChatOpenAI") to str " Alternately, when using CTransformers as follows: LLM = CTransformers(model=llm_model, model_type="llama", config=config, streaming=True, callbacks=[StreamingStdOutCallbackHandler()]) The following error occurs: " Traceback (most recent call last): File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\threading.py", line 1016, in _bootstrap_inner self.run() File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "C:\Users\om403f\Documents\Applied_Research\Deep_Learning\web_app\app.py", line 1456, in llm_task history_rag_buffer_result = CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER.invoke({'question':user_query, 'chat_history':summary_memory}) File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\base.py", line 87, in invoke return self( File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\base.py", line 310, in __call__ raise e File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\base.py", line 304, in __call__ self._call(inputs, run_manager=run_manager) File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\conversational_retrieval\base.py", line 135, in _call chat_history_str = get_chat_history(inputs["chat_history"]) File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\chains\conversational_retrieval\base.py", line 44, in _get_chat_history ai = "Assistant: " + dialogue_turn[1] TypeError: can only concatenate str (not "CTransformers") to str " Hope this is an accurate bug report and it helps! Apologies if this is in fact a dumb report and actually an error at my end. ### Who can help? @hwchase17 @agola11 ### Information - [X] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [X] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [X] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction from langchain.callbacks.streaming_stdout import StreamingStdOutCallbackHandler from langchain.schema.vectorstore import VectorStoreRetriever from langchain.memory import ConversationSummaryBufferMemory from langchain.embeddings import HuggingFaceEmbeddings from langchain.prompts import PromptTemplate from langchain.vectorstores import Chroma from langchain.chains import LLMChainn from langchain.chains import StuffDocumentsChain from langchain.chains import ConversationalRetrievalChain from langchain.llms import CTransformers VECTOR_STORE = Chroma(persist_directory=VECTORDB_SBERT_FOLDER, embedding_function=HuggingFaceEmbeddings()) LLM = CTransformers(model=llm_model, model_type="llama", config=config, streaming=True, callbacks=[StreamingStdOutCallbackHandler()]) document_prompt = PromptTemplate( input_variables=["page_content"], template="{page_content}" ) document_variable_name = "context" temp_StuffDocumentsChain_prompt = PromptTemplate.from_template( "Summarize this content: {context}" ) llm_chain_for_StuffDocumentsChain = LLMChain(llm=LLM, prompt=temp_StuffDocumentsChain_prompt) combine_docs_chain = StuffDocumentsChain( llm_chain=llm_chain_for_StuffDocumentsChain, document_prompt=document_prompt, document_variable_name=document_variable_name ) summary_memory = ConversationSummaryBufferMemory(llm=LLM, max_token_limit=100) retriever=VECTOR_STORE.as_retriever() rag_retriever = VectorStoreRetriever(vectorstore=VECTOR_STORE) temp_template = ( """ Combine the chat history and qustion into a standalone question: Chat history: {chat_history} question: {user_query} """ ) temp_prompt = PromptTemplate.from_template(temp_template) question_generator_chain = LLMChain(llm=LLM, prompt=temp_prompt) CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER = ConversationalRetrievalChain( combine_docs_chain=combine_docs_chain, memory=summary_memory, retriever=rag_retriever, question_generator=question_generator_chain ) CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER.invoke({'question':user_query, 'chat_history':summary_memory}) ### Expected behavior Should work according to code example and API specs as described in the official LangChain API docs: https://api.python.langchain.com/en/latest/chains/langchain.chains.conversational_retrieval.base.ConversationalRetrievalChain.html#langchain.chains.conversational_retrieval.base.ConversationalRetrievalChain
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Core refac
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2023-11-20T22:41:30
2023-11-21T16:35:31
2023-11-21T16:35:30
COLLABORATOR
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proposed changes: - remove langchain_core/schema since no clear distinction b/n schema and non-schema modules - make every module that doesn't end in -y plural - where easy have 1-2 classes per file - no more than one level of nesting
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chore: add serializer for tool message
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2023-11-20T22:38:27
2023-11-24T08:37:02
2023-11-22T02:20:58
CONTRIBUTOR
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**Description:** Currently, if we pass in a ToolMessage back to the chain, it crashes with error `Got unsupported message type: ` This fixes it. Tested locally
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2023-11-20T22:17:29
2023-11-21T05:32:58
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Template for RAG using [gpt-crawler](https://github.com/BuilderIO/gpt-crawler).
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Potential Bug in Retriever.py: Can't instantiate abstract class BaseRetriever with abstract method _get_relevant_documents
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### System Info LangChain Version: 0.0.339 Python version: 3.10.8 Windows 10 Enterprise 21H2 When creating a ConversationalRetrievalChain as follows: CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER = ConversationalRetrievalChain( combine_docs_chain=combine_docs_chain, memory=summary_memory, retriever=rag_retriever, question_generator=question_generator_chain ) With rag_retriever = VectorStoreRetrieverMemory(retriever=VECTOR_STORE.as_retriever()) The following error occurs: " Traceback (most recent call last): File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\threading.py", line 1016, in _bootstrap_inner self.run() File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "C:\Users\om403f\Documents\Applied_Research\Deep_Learning\web_app\app.py", line 1438, in llm_task CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER = ConversationalRetrievalChain( File "C:\Users\om403f\AppData\Local\Programs\Python\Python310\lib\site-packages\langchain\load\serializable.py", line 97, in __init__ super().__init__(**kwargs) File "pydantic\main.py", line 341, in pydantic.main.BaseModel.__init__ pydantic.error_wrappers.ValidationError: 1 validation error for ConversationalRetrievalChain retriever Can't instantiate abstract class BaseRetriever with abstract method _get_relevant_documents (type=type_error) " Name mangling may be occurring as described here: https://stackoverflow.com/questions/31457855/cant-instantiate-abstract-class-with-abstract-methods retriever.py implements the abstract method _get_relevant_documents: https://github.com/langchain-ai/langchain/blob/4eec47b19128fa168e58b9a218a9da049275f6ce/libs/langchain/langchain/schema/retriever.py#L136 Hope this is an accurate bug report and it helps! Apologies if this is in fact a dumb report and actually an error at my end. ### Who can help? _No response_ ### Information - [X] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [X] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction from langchain.memory import ConversationSummaryBufferMemory from langchain.memory import VectorStoreRetrieverMemory from langchain.prompts import PromptTemplate from langchain.vectorstores import Chroma from langchain.chains import LLMChain from langchain.chains import RetrievalQA from langchain.chains import ConversationChain from langchain.chains import StuffDocumentsChain from langchain.chains import ConversationalRetrievalChain VECTOR_STORE = Chroma(persist_directory=VECTORDB_SBERT_FOLDER, embedding_function=HuggingFaceEmbeddings()) LLM = AzureChatOpenAI() document_prompt = PromptTemplate( input_variables=["page_content"], template="{page_content}" ) document_variable_name = "context" temp_StuffDocumentsChain_prompt = PromptTemplate.from_template( "Summarize this content: {context}" ) llm_chain_for_StuffDocumentsChain = LLMChain(llm=LLM, prompt=temp_StuffDocumentsChain_prompt) combine_docs_chain = StuffDocumentsChain( llm_chain=llm_chain_for_StuffDocumentsChain, document_prompt=document_prompt, document_variable_name=document_variable_name ) summary_memory = ConversationSummaryBufferMemory(llm=LLM, max_token_limit=100) retriever=VECTOR_STORE.as_retriever() rag_retriever = VectorStoreRetrieverMemory(retriever=retriever) temp_template = ( """ Combine the chat history and qustion into a standalone question: Chat history: {chat_history} question: {user_query} """ ) temp_prompt = PromptTemplate.from_template(temp_template) question_generator_chain = LLMChain(llm=LLM, prompt=temp_prompt) CONVERSATION_RAG_CHAIN_WITH_SUMMARY_BUFFER = ConversationalRetrievalChain( combine_docs_chain=combine_docs_chain, memory=summary_memory, retriever=rag_retriever, question_generator=question_generator_chain ) ### Expected behavior Example code here works: https://api.python.langchain.com/en/latest/chains/langchain.chains.conversational_retrieval.base.ConversationalRetrievalChain.html#langchain.chains.conversational_retrieval.base.ConversationalRetrievalChain
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Add core as dep
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2023-11-20T21:19:49
2023-11-20T22:38:11
2023-11-20T22:38:10
COLLABORATOR
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Configurable timeout for Ollama
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2023-11-20T21:10:54
2023-11-20T21:36:40
2023-11-20T21:36:40
NONE
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### Feature request I have been using Ollama with Langchain for various tasks, but sometimes Ollama takes too long to respond depending on my local hardware. Is it possible to add a configurable timeout to the Ollama base class so that I can adjust this setting to avoid timeouts when using agents. Currently, I am getting a `httpx` timeout error when using Ollama. ### Motivation This feature will help to leverage local LLMs on a variety of hardware and let's experiment and build with local LLMs before using any third party APIs. ### Your contribution If this is something that would be considered as a feature I am happy to add in a PR for this feature.
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Add Databricks Vector Search as a new vector store
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2023-11-20T21:02:33
2023-11-27T19:07:27
2023-11-27T19:07:26
CONTRIBUTOR
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**Description:** This PR adds Databricks Vector Search as a new vector store in LangChain. - [x] Add `DatabricksVectorSearch` in `langchain/vectorstores/` - [x] Unit tests - [x] Add [`databricks-vectorsearch`](https://pypi.org/project/databricks-vectorsearch/) as a new optional dependency We ran the following checks: - `make format` passed ✅ - `make lint` failed but the failures were caused by other files + Files touched by this PR passed the linter ✅ - `make test` passed ✅ - `make coverage` failed but the failures were caused by other files. Tests added by or related to this PR all passed + langchain/vectorstores/databricks_vector_search.py test coverage 94% ✅ - `make spell_check` passed ✅ The example notebook and updates to the [provider's documentation page](https://github.com/langchain-ai/langchain/blob/master/docs/docs/integrations/providers/databricks.md) will be added later in a separate PR. **Dependencies:** Optional dependency: [`databricks-vectorsearch`](https://pypi.org/project/databricks-vectorsearch/) <!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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VoyageEmbeddings embed_general_texts
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2023-11-20T20:57:10
2023-11-22T02:33:07
2023-11-22T02:33:07
CONTRIBUTOR
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- **Description:** add method embed_general_texts in VoyageEmebddings to support input_type - **Issue:** - **Dependencies:** - **Tag maintainer:** - **Twitter handle:** @Voyage_AI_
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feat: implement max marginal relevance for momento vector index
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2023-11-20T20:28:37
2023-12-05T00:50:23
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CONTRIBUTOR
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**Description** Implements `max_marginal_relevance_search` and `max_marginal_relevance_search_by_vector` for the Momento Vector Index vectorstore. Additionally bumps the `momento` dependency in the lock file and adds logging to the implementation. **Dependencies** ✅ updates `momento` dependency in lock file **Tag maintainer** @baskaryan **Twitter handle** Please tag @momentohq for Momento Vector Index and @mloml for the contribution 🙇 <!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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office365 toolkit bug fixes
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2023-11-20T19:53:31
2023-11-28T17:10:06
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COLLABORATOR
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Several bug fixes: - emails: instead of `bcc` the `cc` is used. - errors in the truncation descriptions - no truncation of the `message_search` Several updates: - generalized UTC format - truncation limit can be changed now in _call()
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Issue: `pgvector` versions in `poetry.lock` are really old
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2023-11-20T19:32:27
2023-12-09T13:20:44
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### Issue you'd like to raise. The compatible versions for library `pgvector` listed in `poetry.lock` are really old: `"pgvector (>=0.1.6,<0.2.0)"`. Are we able to update them to more recent ones? ### Suggestion: Update versions to recent ones.
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2023-12-05T00:53:29
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CONTRIBUTOR
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- **Description:** https://bookend.ai/ langchain embeddings integration - **Dependencies:** n/a (just using `requests`) - **Tag maintainer:** stvhu-bookend - **Twitter handle:** https://twitter.com/bookendai
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Rag redis template dependency update
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2023-11-20T17:47:33
2023-12-01T14:50:26
2023-11-30T20:22:13
CONTRIBUTOR
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- **Description:** Update RAG Redis template readme and dependencies. - **Tag maintainer:** @efriis @baskaryan
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standardise metadata_field handling
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2023-11-20T17:18:34
2023-11-28T08:51:47
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- **Description:** updated func max_marginal_relevance_search handling of metadata_field to be same as similarity_search_with_score. Allow flatten Opensearch mapping, where meta fields are not nested into any field. - **Issue:** #10524 - **Maintainer:** @hwchase17, @baskaryan
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ValueError: Redis failed to connect:
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### System Info # Create and load Redis with documents vectorstore = RedisVectorStore.from_texts( texts=texts, metadatas=metadatas, embedding=embedding, index_name=index_name, redis_url=redis_url ) The error i faced Redis cannot be used as a vector database without RediSearch >=2.4Please head to https://redis.io/docs/stack/search/quick_start/to know more about installing the RediSearch module within Redis Stack. ### Who can help? _No response_ ### Information - [ ] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction . ### Expected behavior .
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Type Checking issue: CacheBackedEmbeddings.split_documents does not take a list of Documents
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2023-11-20T15:34:24
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### System Info I encountered an exception and a type checking notice in PyCharm while working with the following code snippet: ``` split_documents = text_splitter.split_documents(raw_documents) cached_embedder.embed_documents(**split_documents**) ``` The type checking notice indicates that there is a mismatch in the expected type for a Document. According to the type definition, a Document should have properties such as page_content, type, and metadata. However, the function embed_documents seems to be designed to handle a list of strings instead of documents. To align with the expected type for a Document, it is suggested to consider renaming the function from embed_documents to something like embed_strings or embed_texts. This change would accurately reflect the input type expected by the function and help avoid type-related issues during development. Thank you for your attention to this matter. ``` cached_embedder.embed_documents(split_documents) ... File "venv/lib/python3.11/site-packages/langchain/embeddings/cache.py", line 26, in _hash_string_to_uuid hash_value = hashlib.sha1(input_string.encode("utf-8")).hexdigest() ^^^^^^^^^^^^^^^^^^^ AttributeError: 'Document' object has no attribute 'encode' ``` ### Who can help? _No response_ ### Information - [X] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [X] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [X] Document Loaders - [X] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction loader = DirectoryLoader( "./data", glob="**/*.md", show_progress=True, use_multithreading=True, loader_cls=UnstructuredMarkdownLoader, loader_kwargs={"mode": "elements"}, ) raw_documents = loader.load() text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0) split_documents = text_splitter.split_documents(raw_documents) cached_embedder.embed_documents(split_documents) ### Expected behavior method should either accept a list of Documents or be renamed to embed_strings
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Added support for partial_variables to BaseStringMessagePromptTemplate
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2023-11-20T13:36:03
2023-11-21T11:05:58
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CONTRIBUTOR
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**Description:** BaseStringMessagePromptTemplate.from_template was passingg the value of partial_variables into cls(...) via **kwargs, rather than passing it to PromptTemplate.from_template. **Tag maintainer:** @eyurtsev **Twitter handle:** @josep_pon
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Issue: Validation errors for ConversationalRetrievalChain (combine_docs_chain)
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2023-11-20T13:40:30
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### Issue you'd like to raise. Hello, I am working on a conversational chatbot, here is a snippet of the code : ``` general_system_template = ""You a chatbot... --- {summaries}""" general_user_template = "Question: {question}" messages = [ SystemMessagePromptTemplate.from_template(general_system_template), HumanMessagePromptTemplate.from_template(general_user_template) ] qa_prompt = ChatPromptTemplate( messages=messages, input_variables=['question', 'summaries'] ) q = Queue() llm_chat = ChatVertexAI( temperature=0, model_name="chat-bison", streaming=True, callbacks=[QueueCallback(q)], verbose=False ) retriever = docsearch.as_retriever( search_type="similarity", search_kwargs={ 'k': 2, 'filter': {'source': {'$in': sources}} } ) llm_text = VertexAI( temperature=0, model_name="text-bison" ) combine_docs_chain = load_qa_with_sources_chain( llm=llm_chat, chain_type="stuff", prompt=qa_prompt ) condense_question_template = ( """Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question, in its original language. Chat History: {chat_history} Follow Up Input: {question}""" ) condense_question_prompt = PromptTemplate.from_template(condense_question_template) condense_chain = LLMChain( llm=llm_text, prompt=condense_question_prompt, verbose=True ) chain = ConversationalRetrievalChain( combine_docs_chain_=combine_docs_chain, retriever=retriever, question_generator=condense_chain ) ``` When running the code I have the following error : ``` pydantic.error_wrappers.ValidationError: 2 validation errors for ConversationalRetrievalChain combine_docs_chain field required (type=value_error.missing) combine_docs_chain_ extra fields not permitted (type=value_error.extra) ``` How could I solve this ? Is there any way to have a more detailed error ? ### Suggestion: _No response_
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Changed import of VertexAI
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### System Info python = "^3.8.10" langchain = "^0.0.336" google-cloud-aiplatform = "^1.36.3" ### Who can help? @hwchase17 @agol ### Information - [ ] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [X] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction ```python from langchain.llms.vertexai import VertexAI model = VertexAI( model_name="text-bison@001", temperature=0.2, max_output_tokens=1024, top_k=40, top_p=0.8 ) model.client # <vertexai.preview.language_models._PreviewTextGenerationModel at ...> # it should be <vertexai.language_models.TextGenerationModel at ...> ``` ### Expected behavior Code reference: https://github.com/langchain-ai/langchain/blob/78a1f4b264fbdca263a4f8873b980eaadb8912a7/libs/langchain/langchain/llms/vertexai.py#L255C77-L255C77 The VertexAI API is now using vertexai.language_models.TextGenerationModel. Instead, here we are still importing it from from vertexai.preview.language_models.
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13,605
Issue: retrieve multi index from vector store using Faiss in Langchain
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2023-11-20T12:47:43
2023-11-21T14:58:27
2023-11-21T14:58:27
NONE
null
### Issue you'd like to raise. I've created a multi-level directory vector store using Faiss. How can I retrieve all indices within one or multiple subdirectories? ### Suggestion: _No response_
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13,604
Fix broken link on Meilisearch vector-store documentation
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2023-11-20T11:49:12
2023-11-29T09:56:37
2023-11-28T20:49:33
CONTRIBUTOR
null
- **Description:** dead link replacement - **Issue:** no open issue **Note:** Hi langchain team, Sorry to open a PR for this concern but we realized that one of the links present in the documentation booklet was broken 😄
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13,603
Exclude Bedrock client and credentials_profile_name fields from serialisation
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2023-11-20T10:58:18
2023-11-28T21:34:47
2023-11-28T21:34:46
CONTRIBUTOR
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Structured tools not able to pass structured data to each other
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2023-11-20T10:21:21
2023-11-20T14:06:32
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### System Info LangChain 0.0.338 Python 3.11.5 ### Who can help? _No response_ ### Information - [ ] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [X] Agents / Agent Executors - [X] Tools / Toolkits - [X] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction I was trying to combine multiple structured `Tool`s, one that produces a `List` of values and another that consumes it, but couldn't get it to work. I asked the LangChain support bot whether it was possible and it said yes and produced the following example. But it does not work :) ```python from langchain.llms import OpenAI from langchain.agents import initialize_agent, AgentType from langchain.tools import BaseTool from typing import List # Define the first structured tool that returns a list of strings class ListTool(BaseTool): name = "List Tool" description = "Generates a list of strings." def _run(self) -> List[str]: """Return a list of strings.""" return ["apple", "banana", "cherry"] tool1 = ListTool() # Define the second structured tool that accepts a list of strings class ProcessListTool(BaseTool): name = "Process List Tool" description = "Processes a list of strings." def _run(self, input_list: List[str]) -> str: """Process the list of strings.""" # Perform the processing logic here processed_list = [item.upper() for item in input_list] return f"Processed list: {', '.join(processed_list)}" tool2 = ProcessListTool() llm = OpenAI(temperature=0) agent_executor = initialize_agent( [tool1, tool2], llm, agent=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION, verbose=True, ) output = agent_executor.run("Process the list") print(output) # Output: 'Processed list: APPLE, BANANA, CHERRY' ``` Full output: ``` > Entering new AgentExecutor chain... Action: { "action": "Process List Tool", "action_input": { "input_list": { "title": "Input List", "type": "array", "items": { "type": "string" } } } } Observation: Processed list: TITLE, TYPE, ITEMS Thought: I have the processed list Action: { "action": "Final Answer", "action_input": "I have processed the list and it contains the following: TITLE, TYPE, ITEMS" } > Finished chain. ``` ### Expected behavior Expected output: ``` Processed list: APPLE, BANANA, CHERRY' ```
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Neo4j - ConfigurationError: username not supported in the URI
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2023-11-20T10:21:02
2023-11-20T10:50:00
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### System Info Langchain==0.0.338 python==3.8.1 neo4j latest this is the error: --------------------------------------------------------------------------- ConfigurationError Traceback (most recent call last) [/Users/m1/Desktop/LangChain/Untitled.ipynb](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/Untitled.ipynb) Cell 1 line 5 [2](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=1) import os [4](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=3) uri, user, password = os.getenv("NEO4J_URI"), os.getenv("NEO4J_USERNAME"), os.getenv("NEO4J_PASSWORD") ----> [5](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=4) graph = Neo4jGraph( [6](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=5) url=uri, [7](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=6) username=user, [8](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=7) password=password, [9](vscode-notebook-cell:/Users/m1/Desktop/LangChain/Untitled.ipynb#W0sZmlsZQ%3D%3D?line=8) ) File [~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:69](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:69), in Neo4jGraph.__init__(self, url, username, password, database) [66](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:66) password = get_from_env("password", "NEO4J_PASSWORD", password) [67](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:67) database = get_from_env("database", "NEO4J_DATABASE", database) ---> [69](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:69) self._driver = neo4j.GraphDatabase.driver(url, auth=(username, password)) [70](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:70) self._database = database [71](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/langchain/graphs/neo4j_graph.py:71) self.schema: str = "" File [~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:190](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:190), in GraphDatabase.driver(cls, uri, auth, **config) [170](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:170) @classmethod [171](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:171) def driver( [172](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:172) cls, uri: str, *, ref='~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:0'>0</a>;32m (...) [177](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:177) **config [178](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/_sync/driver.py:178) ) -> Driver: ... --> [486](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/api.py:486) raise ConfigurationError("Username is not supported in the URI") [488](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/api.py:488) if parsed.password: [489](https://file+.vscode-resource.vscode-cdn.net/Users/m1/Desktop/LangChain/~/Desktop/LangChain/KG_openai/lib/python3.8/site-packages/neo4j/api.py:489) raise ConfigurationError("Password is not supported in the URI") ConfigurationError: Username is not supported in the URI Output is truncated. View as a [scrollable element](command:cellOutput.enableScrolling?bbc3ed55-b69e-4557-b7e7-e9913806eb86) or open in a [text editor](command:workbench.action.openLargeOutput?bbc3ed55-b69e-4557-b7e7-e9913806eb86). Adjust cell output [settings](command:workbench.action.openSettings?%5B%22%40tag%3AnotebookOutputLayout%22%5D)... ### Who can help? _No response_ ### Information - [ ] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [X] Tools / Toolkits - [X] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction from langchain.graphs import Neo4jGraph import os uri, user, password = os.getenv("NEO4J_URI"), os.getenv("NEO4J_USERNAME"), os.getenv("NEO4J_PASSWORD") graph = Neo4jGraph( url= uri, username=user, password=password, ) ### Expected behavior This driver formation is running fine in v264. however its giving me error in v338 version. at last in the driver stub, its parsing the url and then the username from the parsed url is being checked. If its present then its raising this above config error.
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13,599
Issue: Filling `ConversationSummaryMemory` with existing conversation from an SQLite database
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2023-11-20T08:52:20
2023-11-30T03:27:24
2023-11-26T16:03:52
NONE
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### Issue you'd like to raise. I'd like to make `ConversationSummaryMemory` is filled with the previous questions and answers for a specific conversation from an SQLite database so I can have my agent already aware of previous conversation with the user. Here's my current code: ```py import os import sys from langchain.chains import ConversationalRetrievalChain from langchain.chat_models import ChatOpenAI from langchain.embeddings import OpenAIEmbeddings from langchain.indexes import VectorstoreIndexCreator from langchain.indexes.vectorstore import VectorStoreIndexWrapper from langchain.vectorstores.chroma import Chroma from langchain.memory import ConversationSummaryMemory from langchain.tools import Tool from langchain.agents.types import AgentType from langchain.agents import initialize_agent from dotenv import load_dotenv load_dotenv() OPENAI_API_KEY = os.getenv("OPENAI_API_KEY") query = " ".join(sys.argv[1:]) if len(sys.argv) > 1 else None retriever = # retriever stuff here for the `local-docs` tool llm = ChatOpenAI(temperature=0.7, model="gpt-3.5-turbo-1106") memory = ConversationSummaryMemory( llm=llm, memory_key="chat_history", return_messages=True, ) chain = ConversationalRetrievalChain.from_llm( llm=llm, memory=memory, chain_type="stuff", retriever=index.vectorstore.as_retriever(search_kwargs={"k": 4}), get_chat_history=lambda h: h, verbose=False, ) system_message = ( "Be helpful to your users". ) tools = [ Tool( name="local-docs", func=chain, description="Useful when you need to answer docs-related questions", ) ] def ask(input: str) -> str: result = "" try: result = executor({"input": input}) except Exception as e: response = str(e) if response.startswith("Could not parse LLM output: `"): response = response.removeprefix( "Could not parse LLM output: `" ).removesuffix("`") return response else: raise Exception(str(e)) return result chat_history = [] executor = initialize_agent( agent=AgentType.CHAT_CONVERSATIONAL_REACT_DESCRIPTION, tools=tools, llm=llm, memory=memory, agent_kwargs={"system_message": system_message}, verbose=True, max_execution_time=30, max_iterations=6, handle_parsing_errors=True, early_stopping_method="generate", stop=["\nObservation:"], ) result = ask(query) print(result["output"]) ```
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add multimodal support
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2023-11-20T07:00:43
2023-11-20T07:03:04
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### Feature request add support for other multimodal models like Llava, Fuyu, Bakllava... This would help with RAG, where documents have non text data. ### Motivation I have a lot of tables and images to proccess in PDFs when doing RAG, and right now this is not ideal. ### Your contribution no time :(
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13,596
Issue: How to add randomness when using max_marginal_relevance_search with Qdrant
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2023-11-20T06:44:07
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### Issue you'd like to raise. I am using Qdrant as my vector store, and now, every time I use 'max_marginal_relevance_search' with a fix k parameter. It will always return the same documents. How to add some randomness? So it will return something different(Still within the score_threshold) each time. Here is my sample code of using 'max_marginal_relevance_search': related_docs = vectorstore.max_marginal_relevance_search(target_place, k=fetch_amount, score_threshold=0.5, filter=rest.Filter(must=[rest.FieldCondition( key='metadata.category', match=rest.MatchValue(value=category), ),rest.FieldCondition( key='metadata.related_words', match=rest.MatchAny(any=related_words), )])) ### Suggestion: _No response_
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2023-12-14T02:53:28
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Update mongodb_atlas.py to fix ImportError: cannot import name 'DriverInfo' from 'pymongo'
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2023-12-05T03:26:00
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CONTRIBUTOR
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<!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** fix ImportError: cannot import name 'DriverInfo' from 'pymongo' - **Issue:** As above - **Dependencies:** NA - **Tag maintainer:** @efriis @jarib Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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[SelfQueryRetriever] Generated Query Mismatched Timestamp Type
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### System Info langchain==0.0.266 ### Who can help? @eyurtsev @hwchase17 ### Information - [X] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [X] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction ```python import datetime import chainlit from dotenv import load_dotenv from langchain.chains.query_constructor.base import AttributeInfo from langchain.chat_models import ChatOpenAI from langchain.docstore.document import Document # noqa from langchain.embeddings.openai import OpenAIEmbeddings from langchain.retrievers import SelfQueryRetriever from langchain.vectorstores import Chroma chainlit.debug = True load_dotenv() llm = ChatOpenAI() docs = [ Document( page_content="A bunch of scientists bring back dinosaurs and mayhem breaks loose", metadata={"released_at": 1700190868, "rating": 7.7, "genre": "science fiction"}, ), Document( page_content="Leo DiCaprio gets lost in a dream within a dream within a dream within a ...", metadata={"released_at": 1700190868, "director": "Christopher Nolan", "rating": 8.2}, ), Document( page_content="A psychologist / detective gets lost in a series of dreams within dreams within dreams and Inception reused the idea", metadata={"released_at": 1700190868, "director": "Satoshi Kon", "rating": 8.6}, ), Document( page_content="A bunch of normal-sized women are supremely wholesome and some men pine after them", metadata={"released_at": 1700190868, "director": "Greta Gerwig", "rating": 8.3}, ), Document( page_content="Toys come alive and have a blast doing so", metadata={"released_at": 1700190868, "genre": "animated"}, ), Document( page_content="Three men walk into the Zone, three men walk out of the Zone", metadata={"released_at": 1700190868, "director": "Andrei Tarkovsky", "genre": "thriller", "rating": 9.9}, ), ] vectorstore = Chroma.from_documents(docs, OpenAIEmbeddings()) metadata_field_info = [ AttributeInfo( name="released_at", description="Time the movie was released. It's second timestamp.", type="integer", ), ] document_content_description = "Brief summary of a movie" retriever = SelfQueryRetriever.from_llm( llm, vectorstore, document_content_description, metadata_field_info, ) result = retriever.invoke( f"What's a movie in this month that's all about toys, and preferably is animated. Current time is: {datetime.datetime.now().strftime('%m/%d/%Y, %H:%M:%S')}.", ) print(result) ``` ### Expected behavior I declared the `metadata_field_info` which includes the `released_at` field with the data type `integer`. ## I expected the following: When my query involves the time/timerange of the release time, the query should compare using `integer` instead of `date time`. ### Why I expected this: - The data type declared in `metadata_field_info` should be utilized. - In the implementations of `SelfQueryRetriever` (I tested `qdrant` and `chroma`), the accepted type in comparison operations (gte/lte) must be numeric, not a date. ### Identified Reason I identified the problem due to the `"SCHEMA[s]"` in [langchain/chains/query_constructor/prompt.py](https://github.com/langchain-ai/langchain/blob/190952fe76d8f7bf1e661cbdaa2ba0a2dc0f5456/libs/langchain/langchain/chains/query_constructor/prompt.py#L117). This line in prompt led the result: ``` Make sure that filters only use format `YYYY-MM-DD` when handling date data typed values ``` I guess that it works in some SQL queries such as `Postgresql`, which accepts 'YYY-MM-DD' as date query inputs. However, we are working with metadata in vector records, which are structured like JSON objects with key-value pairs, it may not work. ### Proof of reason I tryed modifing the PROMPTs by defining my own Classes and Functions such as `load_query_constructor_chain`, `_get_prompt`, `SelfQueryRetriever`. After replacing the above line with the following, it worked as expected: ``` Make sure that filters only use timestamp in second (integer) when handling timestamp data typed values. ``` ### Proposals - Review the above problem. If metadata fields do not support querying with the date format 'YYYY-MM-DD' as specified in the prompt, please update it. - If this prompt is specified for some use cases, please allow overriding the prompts.
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Adrijanik patch 1
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2023-11-20T03:56:52
2023-12-05T03:26:52
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<!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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13,590
Support for Guidance
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2023-11-20T03:54:37
2023-11-20T03:56:53
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### Feature request Ability to use guidance. https://github.com/guidance-ai/guidance ### Motivation Not related to a problem. ### Your contribution Not sure yet but I can look into it if it is something the community considers.
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13,589
Issue: can i generate a nested dic output
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2023-11-20T03:10:22
2023-11-20T03:16:49
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### Issue you'd like to raise. I know I can generate a python dictionary output using StructuredOutputParser like { "a":1, "b":2, "c":3}. However, I would like to generate a nested dic like { "a":1, "b":2, "c":{"d":4, "e":5}} How can I do it? ### Suggestion: _No response_
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Fix typo in MongoDB memory docs
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2023-11-20T02:42:11
2023-11-20T07:09:37
2023-11-20T03:13:36
CONTRIBUTOR
null
- **Description:** Fix typo in MongoDB memory docs - **Tag maintainer:** @eyurtsev <!-- Thank you for contributing to LangChain! - **Description:** Fix typo in MongoDB memory docs - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** @baskaryan - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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API Reference building script update
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2023-11-20T00:22:54
2023-12-07T19:48:39
2023-12-07T19:43:43
COLLABORATOR
null
The namespaces like `langchain.agents.format_scratchpad` clogging the API Reference sidebar. This change removes those 3-level namespaces from sidebar (this issue was discussed with @efriis )
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experimental[patch]: fixed namespace bug
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2023-11-19T22:49:11
2023-11-29T00:40:28
2023-11-29T00:40:28
COLLABORATOR
null
It was : `from langchain.schema.prompts import BasePromptTemplate` but because of the breaking change in the ns, it is now `from langchain.schema.prompt_template import BasePromptTemplate` This bug prevents building the API Reference for the langchain_experimental
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Issue: can i access memory buffer through chain?
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2023-11-19T21:31:23
2023-11-19T22:11:42
null
NONE
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### Issue you'd like to raise. Hi, I'm using a conversationchain that contains memory. It is defined as: llm = ChatOpenAI(temperature=0.0, model=llm_model) memory = ConversationBufferMemory() conversation = ConversationChain( llm=llm, memory = memory, verbose=True ) I know I can access the current memory by using "memory.buffer". However, I was wondering if there is a way to access memory only through ConversationChain instance "conversation"? ### Suggestion: _No response_
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fix: Make YoutubeLoader support on demand language translation
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2023-11-19T21:22:14
2023-11-20T01:34:49
2023-11-20T01:34:48
CONTRIBUTOR
null
**Description:** Enhance the functionality of YoutubeLoader to enable the translation of available transcripts by refining the existing logic. **Issue:** Encountering a problem with YoutubeLoader (#13523) where the translation feature is not functioning as expected. Tag maintainers/contributors who might be interested: @eyurtsev
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fix: call _on_llm_error()
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2023-11-19T19:57:19
2023-12-05T03:44:51
2023-12-05T03:44:50
CONTRIBUTOR
null
Description: There's a copy-paste typo where on_llm_error() calls _on_chain_error() instead of _on_llm_error(). Issue: #13580 Dependencies: None Tag maintainer: @hwchase17 Twitter handle: @jwatte "Run `make format`, `make lint` and `make test` to check this locally." The test scripts don't work in a plain Ubuntu LTS 20.04 system. It looks like the dev container pulling is stuck. Or maybe the internet is just ornery today.
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The tracing on_llm_error() implementation calls _on_chain_error(), not _on_llm_error()
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2023-11-19T19:21:07
2023-11-22T00:14:24
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CONTRIBUTOR
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### System Info Linux 20.04 LTS Python 3.6 ### Who can help? @hwchase17 seems like this got introduced on 2023-11-16 ### Information - [X] The official example notebooks/scripts - [X] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [ ] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [X] Callbacks/Tracing - [ ] Async ### Reproduction 1. Attempt to use a tracer to trace an LLM error 2. Note that the tracer hook for _on_chain_error is called instead ### Expected behavior _on_llm_error hook should be called.
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Confluence loader fails to retrieve specific pages when 'pages_ids' is given
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2023-11-19T18:54:14
2023-11-20T09:44:14
null
CONTRIBUTOR
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### System Info Mac M1 ### Who can help? @eyurtsev Here: https://github.com/langchain-ai/langchain/blob/78a1f4b264fbdca263a4f8873b980eaadb8912a7/libs/langchain/langchain/document_loaders/confluence.py#L284 We start adding the "max_pages" first pages to the "docs" list that will be the output of loader.load. So we are sure that I cannot retrieve only one specific `page_id`. `loader.load(..., page_ids=['1234'], max_pages=N)` will output X pages where X in [min(N, # pages in my confluence), N + 1] In other words, if I want only a specific page, I will always have at least 2 pages (in case max_pages = 1) So page_ids does not work at all because space_key is mandatory. adding ìf space_key and not page_ids` fix my problem but may lead to other problems (I did not check) Dirty hack would be to collect the F last elements of the return list if pages where F is the number of found pages asked in page_ids ### Information - [X] The official example notebooks/scripts - [ ] My own modified scripts ### Related Components - [ ] LLMs/Chat Models - [ ] Embedding Models - [ ] Prompts / Prompt Templates / Prompt Selectors - [ ] Output Parsers - [X] Document Loaders - [ ] Vector Stores / Retrievers - [ ] Memory - [ ] Agents / Agent Executors - [ ] Tools / Toolkits - [ ] Chains - [ ] Callbacks/Tracing - [ ] Async ### Reproduction No time to do but easy when reading code ### Expected behavior I can retrieve only the page_ids specified
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ConversationChain failure after changing template text
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2023-11-19T16:56:45
2023-11-20T13:28:40
2023-11-20T13:25:40
NONE
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I am having a wonderful time with my code, but after changing my template it now fails before I even get to give my input. Baffling! all the required imports are not shown here nor is all the prompt text (containing no special characters) template = '''Your task is to extract the relationships between terms in the input text, Format your output as a json list. ''' prompt = ChatPromptTemplate.from_messages([ SystemMessagePromptTemplate.from_template(template), HumanMessagePromptTemplate.from_template("{input}"), MessagesPlaceholder(variable_name="history "), ]) llm = ChatOpenAI(temperature=0.8, model_name='gpt-4-1106-preview') memory = ConversationBufferMemory(return_messages=True) conversation = ConversationChain(memory=memory, prompt=prompt, llm=llm)](url) Traceback ......... conversation = ConversationChain(memory=memory, prompt=prompt, llm=llm) File "pydantic\main.py", line 341, in pydantic.main.BaseModel.__init__ pydantic.error_wrappers.ValidationError: 1 validation error for ConversationChain __root__ Got unexpected prompt input variables. The prompt expects ['input', 'history '], but got ['history'] as inputs from memory, and input as the normal input key. (type=value_error)
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2023-11-20T21:09:31
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openapi/planner.py: Deal with json in markdown output cases
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2023-11-19T15:53:34
2023-12-05T04:27:23
2023-12-05T04:27:22
CONTRIBUTOR
null
- **Description:** In openapi/planner deal with json in markdown output cases - **Issue:** In some cases LLMs could return json in markdown which can't be loaded. - **Dependencies:** - **Tag maintainer:** @eyurtsev - **Twitter handle:**
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Implementing Hybrid Search (RRF) in LangChain Using OpenSearch Vector Store
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2023-11-19T13:59:02
2023-11-19T14:10:20
null
NONE
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### Feature request The feature request I am proposing involves the implementation of hybrid search, specifically using the Reciprocal Rank Fusion (RRF) method, in LangChain through the integration of OpenSearch's vector store. This would enable the combination of keyword and similarity search. Currently, LangChain doesn't appear to support this functionality, even though OpenSearch has had this capability since its 2.10 release. The goal is to allow LangChain to call search pipelines using OpenSearch's vector implementation, enabling OpenSearch to handle the complexities of hybrid search. **Relevant Links**: https://opensearch.org/docs/latest/query-dsl/compound/hybrid ### Motivation The motivation behind this request stems from the current limitation in LangChain regarding hybrid search capabilities. As someone working on a search project currently, I find it frustrating that despite OpenSearch supporting hybrid search since version 2.10, LangChain has not yet integrated this feature. ### Your contribution I would gladly help as long as I get guidance..
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Update geodataframe.py
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2023-11-19T04:23:14
2023-12-05T03:44:31
2023-12-05T03:44:31
CONTRIBUTOR
null
here it is validating shapely.geometry.point.Point: if not isinstance(data_frame[page_content_column].iloc[0], gpd.GeoSeries): raise ValueError( f"Expected data_frame[{page_content_column}] to be a GeoSeries" you need it to validate the geoSeries and not the shapely.geometry.point.Point if not isinstance(data_frame[page_content_column], gpd.GeoSeries): raise ValueError( f"Expected data_frame[{page_content_column}] to be a GeoSeries" <!-- Thank you for contributing to LangChain! Replace this entire comment with: - **Description:** a description of the change, - **Issue:** the issue # it fixes (if applicable), - **Dependencies:** any dependencies required for this change, - **Tag maintainer:** for a quicker response, tag the relevant maintainer (see below), - **Twitter handle:** we announce bigger features on Twitter. If your PR gets announced, and you'd like a mention, we'll gladly shout you out! Please make sure your PR is passing linting and testing before submitting. Run `make format`, `make lint` and `make test` to check this locally. See contribution guidelines for more information on how to write/run tests, lint, etc: https://github.com/langchain-ai/langchain/blob/master/.github/CONTRIBUTING.md If you're adding a new integration, please include: 1. a test for the integration, preferably unit tests that do not rely on network access, 2. an example notebook showing its use. It lives in `docs/extras` directory. If no one reviews your PR within a few days, please @-mention one of @baskaryan, @eyurtsev, @hwchase17. -->
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Nasa api tool revision
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2023-11-19T02:42:48
2023-11-19T02:43:02
2023-11-19T02:43:02
CONTRIBUTOR
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- compiled feature branch components into single working component - trial ran integration tests
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MMR with Vectara
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CONTRIBUTOR
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- **Description:** Vectara implements MMR in the backend. This allows to invoke that MMR natively. - **Tag maintainer:** @baskaryan - **Twitter handle:** @ofermend
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experimental[patch]: release 0.0.43
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