migrate all chains #82
Description
Migrate all chains which are deprecated:
WARNING:langchain_community.utils.user_agent:USER_AGENT environment variable not set, consider setting it to identify your requests.
/home/amaiya/projects/ghub/onprem/onprem/pipelines/summarizer.py:149: LangChainDeprecationWarning: The class `LLMChain` was deprecated in LangChain 0.1.17 and will be removed in 1.0. Use :meth:`~RunnableSequence, e.g., `prompt | llm`` instead.
map_chain = LLMChain(llm=langchain_llm, prompt=map_prompt)
/home/amaiya/projects/ghub/onprem/onprem/pipelines/summarizer.py:165: LangChainDeprecationWarning: This class is deprecated. Use the `create_stuff_documents_chain` constructor instead. See migration guide here: https://python.langchain.com/v0.2/docs/versions/migrating_chains/stuff_docs_chain/
combine_documents_chain = StuffDocumentsChain(
/home/amaiya/projects/ghub/onprem/onprem/pipelines/summarizer.py:170: LangChainDeprecationWarning: This class is deprecated. Please see the migration guide here for a recommended replacement: https://python.langchain.com/docs/versions/migrating_chains/map_reduce_chain/
reduce_documents_chain = ReduceDocumentsChain(
/home/amaiya/projects/ghub/onprem/onprem/pipelines/summarizer.py:179: LangChainDeprecationWarning: This class is deprecated. Please see the migration guide here for a recommended replacement: https://python.langchain.com/docs/versions/migrating_chains/map_reduce_chain/