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__init__() — langchain Function Reference

Architecture documentation for the __init__() function in base.py from the langchain codebase.

Entity Profile

Dependency Diagram

graph TD
  91af9196_3327_024c_467f_fd22e9518a89["__init__()"]
  b9a82d83_700a_c3c4_a4fd_29ab9cbe4112["APIChain"]
  91af9196_3327_024c_467f_fd22e9518a89 -->|defined in| b9a82d83_700a_c3c4_a4fd_29ab9cbe4112
  style 91af9196_3327_024c_467f_fd22e9518a89 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/api/base.py lines 393–399

        def __init__(self, *_: Any, **__: Any) -> None:
            """Raise an ImportError if APIChain is used without langchain_community."""
            msg = (
                "To use the APIChain, you must install the langchain_community package."
                "pip install langchain_community"
            )
            raise ImportError(msg)

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Frequently Asked Questions

What does __init__() do?
__init__() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/chains/api/base.py.
Where is __init__() defined?
__init__() is defined in libs/langchain/langchain_classic/chains/api/base.py at line 393.

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