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Runtime error
Runtime error
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from langchain.chains import ConversationalRetrievalChain
from langchain.chat_models import ChatOpenAI
from langchain.vectorstores import Pinecone
from langchain.embeddings.openai import OpenAIEmbeddings
from langchain.memory import ConversationBufferMemory
import pinecone
import os
from langchain.vectorstores import Chroma
from dotenv import load_dotenv
load_dotenv()
openai_api_key=os.getenv('OPENAI_API_KEY')
def create_conversation(query: str, chat_history: list, collection_name: str) -> tuple:
try:
embeddings = OpenAIEmbeddings(
openai_api_key=openai_api_key
)
persist_directory = './db_metadata'
db = Chroma(
collection_name=collection_name,
persist_directory=persist_directory,
embedding_function=embeddings
)
memory = ConversationBufferMemory(
memory_key='chat_history',
return_messages=False
)
cqa = ConversationalRetrievalChain.from_llm(
llm=ChatOpenAI(temperature=0.0,
openai_api_key=openai_api_key),
chain_type='stuff',
retriever=db.as_retriever(),
memory=memory,
get_chat_history=lambda h: h,
verbose=True,
return_source_documents=False,
)
result = cqa({'question': query, 'chat_history': chat_history})
chat_history.append((query, result['answer']))
return '', chat_history
# except Exception as e:
# chat_history.append((query, e))
# return '', chat_history
except pinecone.exceptions.PineconeException as pe:
chat_history.append((query, f"Pinecone Error: {pe}"))
return '', chat_history
except Exception as e:
chat_history.append((query, f"Unexpected Error: {e}"))
return '', chat_history
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