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# Source code for langchain_core.utils.pydantic

    """Utilities for tests."""

    def get_pydantic_major_version() -> int:
        """Get the major version of Pydantic."""
        try:
            import pydantic

            return int(pydantic.__version__.split(".")[0])
        except ImportError:
            return 0

    PYDANTIC_MAJOR_VERSION = get_pydantic_major_version()