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WrongReturnTypeMiddleware Class — langchain Architecture

Architecture documentation for the WrongReturnTypeMiddleware class in test_middleware_type_errors.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  ef567ca0_ab9b_f640_a243_ed9a99383d50["WrongReturnTypeMiddleware"]
  47e0e3d7_cac1_0ec3_228a_0fd46437bc22["test_middleware_type_errors.py"]
  ef567ca0_ab9b_f640_a243_ed9a99383d50 -->|defined in| 47e0e3d7_cac1_0ec3_228a_0fd46437bc22
  87cd82b6_be79_f25f_2126_231c4832efd2["wrap_model_call()"]
  ef567ca0_ab9b_f640_a243_ed9a99383d50 -->|method| 87cd82b6_be79_f25f_2126_231c4832efd2

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware_typing/test_middleware_type_errors.py lines 193–201

class WrongReturnTypeMiddleware(
    AgentMiddleware[AgentState[AnalysisResult], ContextT, AnalysisResult]
):
    def wrap_model_call(  # type: ignore[override]
        self,
        request: ModelRequest[ContextT],
        handler: Callable[[ModelRequest[ContextT]], ModelResponse[AnalysisResult]],
    ) -> ModelResponse[SummaryResult]:  # TYPE ERROR: Should return ModelResponse[AnalysisResult]
        return handler(request)  # type: ignore[return-value]

Defined In

Source

Frequently Asked Questions

What is the WrongReturnTypeMiddleware class?
WrongReturnTypeMiddleware is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware_typing/test_middleware_type_errors.py.
Where is WrongReturnTypeMiddleware defined?
WrongReturnTypeMiddleware is defined in libs/langchain_v1/tests/unit_tests/agents/middleware_typing/test_middleware_type_errors.py at line 193.

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