Method copy

lib/sqlalchemy/util/_collections.py:133–137

(self)

        return new

    def copy(self) -> NoReturn:
        raise NotImplementedError(
            "an immutabledict shouldn't need to be copied.  use dict(d) "
            "if you need a mutable dictionary."
        )

    def __reduce__(self) -> Any:
        return FacadeDict, (dict(self),)