Method __reduce__

tools/python-3.11.9-amd64/Lib/inspect.py:3204–3207

(self)

        return self._bind(args, kwargs, partial=True)

    def __reduce__(self):
        return (type(self),
                (tuple(self._parameters.values()),),
                {'_return_annotation': self._return_annotation})

    def __setstate__(self, state):
        self._return_annotation = state['_return_annotation']