Method has_default

mypy/stubtest.py:933–938

(arg: Any)

            raise AssertionError

        def has_default(arg: Any) -> bool:
            if isinstance(arg, inspect.Parameter):
                return arg.default is not inspect.Parameter.empty
            if isinstance(arg, nodes.Argument):
                return arg.kind.is_optional()
            raise AssertionError

        def get_desc(arg: Any) -> str:
            arg_type = get_type(arg)