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on_chain_error() — langchain Function Reference

Architecture documentation for the on_chain_error() function in fake_callback_handler.py from the langchain codebase.

Function python LangChainCore ApiManagement calls 2 called by 1

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Dependency Diagram

graph TD
  38d7b2fe_69c5_1d10_fadf_70a608ab457f["on_chain_error()"]
  c82a49cc_3a43_e4a6_1cb8_d4b415fb5209["FakeAsyncCallbackHandler"]
  38d7b2fe_69c5_1d10_fadf_70a608ab457f -->|defined in| c82a49cc_3a43_e4a6_1cb8_d4b415fb5209
  244628aa_1316_8ea9_ca7d_e01a11961dd0["on_chain_error()"]
  244628aa_1316_8ea9_ca7d_e01a11961dd0 -->|calls| 38d7b2fe_69c5_1d10_fadf_70a608ab457f
  928fa63a_2c1f_ba61_f484_e3cfaaeeff88["on_chain_error_common()"]
  38d7b2fe_69c5_1d10_fadf_70a608ab457f -->|calls| 928fa63a_2c1f_ba61_f484_e3cfaaeeff88
  244628aa_1316_8ea9_ca7d_e01a11961dd0["on_chain_error()"]
  38d7b2fe_69c5_1d10_fadf_70a608ab457f -->|calls| 244628aa_1316_8ea9_ca7d_e01a11961dd0
  style 38d7b2fe_69c5_1d10_fadf_70a608ab457f fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain/tests/unit_tests/callbacks/fake_callback_handler.py lines 369–374

    async def on_chain_error(
        self,
        *args: Any,
        **kwargs: Any,
    ) -> None:
        self.on_chain_error_common()

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Defined In

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Frequently Asked Questions

What does on_chain_error() do?
on_chain_error() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/callbacks/fake_callback_handler.py.
Where is on_chain_error() defined?
on_chain_error() is defined in libs/langchain/tests/unit_tests/callbacks/fake_callback_handler.py at line 369.
What does on_chain_error() call?
on_chain_error() calls 2 function(s): on_chain_error, on_chain_error_common.
What calls on_chain_error()?
on_chain_error() is called by 1 function(s): on_chain_error.

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