Using create_retrieval_chain due to RetrievalQA deprecation

vegan_vicky

I'm currently working with langchain and I saw that RetrievalQA was deprecated and that create_retrieval_chain can be used instead. I tried the example mentioned in the documentation : from langchain.chains import create_retrieval_chain from langchain.chains.combine_documents import create_stuff_documents_chain from langchain_core.prompts import ChatPromptTemplate from langchain_openai import ChatOpenAI retriever = ... # Your retriever llm =...

Originally asked by Saad Cherkaoui Ikbal on Stack Exchange (stackoverflow) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

langchain.chains was moved to langchain_classic.chains from langchain_classic.chains import create_retrieval_chain More: langchain-classic in What's new in v1

Full answer by furas: https://stackoverflow.stackexchange.com/a/79808182 (CC BY-SA 4.0).

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