Create app.py

app.py

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+# import dependencies
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig, pipeline
+
+import os
+import gradio as gr
+#from google.colab import drive
+
+import chromadb
+from langchain.llms import HuggingFacePipeline
+from langchain.document_loaders import TextLoader
+from langchain.text_splitter import RecursiveCharacterTextSplitter
+from langchain.embeddings import HuggingFaceEmbeddings
+from langchain.vectorstores import Chroma
+from langchain import HuggingFacePipeline
+from langchain.document_loaders import PyPDFDirectoryLoader
+from langchain.chains import ConversationalRetrievalChain
+from langchain.memory import ConversationBufferMemory
+
+