load_qa_with_sources_chain#
- langchain.chains.qa_with_sources.loading.load_qa_with_sources_chain(llm: BaseLanguageModel, chain_type: str = 'stuff', verbose: bool | None = None, **kwargs: Any) BaseCombineDocumentsChain[source]#
Deprecated since version 0.2.13: This function is deprecated. Refer to this guide on retrieval and question answering with sources: https://python.langchain.com/v0.2/docs/how_to/qa_sources/
See also the following migration guides for replacements based on chain_type: stuff: https://python.langchain.com/v0.2/docs/versions/migrating_chains/stuff_docs_chain map_reduce: https://python.langchain.com/v0.2/docs/versions/migrating_chains/map_reduce_chain refine: https://python.langchain.com/v0.2/docs/versions/migrating_chains/refine_chain map_rerank: https://python.langchain.com/v0.2/docs/versions/migrating_chains/map_rerank_docs_chain
Load a question answering with sources chain.
- Parameters:
llm (BaseLanguageModel) – Language Model to use in the chain.
chain_type (str) – Type of document combining chain to use. Should be one of “stuff”, “map_reduce”, “refine” and “map_rerank”.
verbose (bool | None) – Whether chains should be run in verbose mode or not. Note that this applies to all chains that make up the final chain.
kwargs (Any)
- Returns:
A chain to use for question answering with sources.
- Return type: