_raise_deprecation() — langchain Function Reference

Architecture documentation for the _raise_deprecation() function in vector_db.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ _raise_deprecation() — langchain Function Reference

Dependency Diagram

graph TD
  d127ba58_0810_7842_efc5_bdd5321ff0bc["_raise_deprecation()"]
  5eb6dd31_a76d_429d_2244_999951beb530["VectorDBQAWithSourcesChain"]
  d127ba58_0810_7842_efc5_bdd5321ff0bc -->|defined in| 5eb6dd31_a76d_429d_2244_999951beb530
  style d127ba58_0810_7842_efc5_bdd5321ff0bc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/qa_with_sources/vector_db.py lines 78–85

    def _raise_deprecation(cls, values: dict) -> Any:
        warnings.warn(
            "`VectorDBQAWithSourcesChain` is deprecated - "
            "please use `from langchain_classic.chains import "
            "RetrievalQAWithSourcesChain`",
            stacklevel=5,
        )
        return values