if iscoroutinefunction(_impartial(dunder_call)) or iscoroutinefunction(
            _unwrapped_call(dunder_call)
        ):
            return True
        dunder_unwrapped_call = getattr(_unwrapped_call(self.call), "__call__", None)  # noqa: B004
        if dunder_unwrapped_call is None:
            return False  # pragma: no cover
        if iscoroutinefunction(