176 def _ensure_value(namespace, name, value):  argument
830     def __call__(self, parser, namespace, values, option_string=None):  argument
869     def __call__(self, parser, namespace, values, option_string=None):  argument
894     def __call__(self, parser, namespace, values, option_string=None):  argument
957     def __call__(self, parser, namespace, values, option_string=None):  argument
985     def __call__(self, parser, namespace, values, option_string=None):  argument
1002     def __call__(self, parser, namespace, values, option_string=None):  argument
1017     def __call__(self, parser, namespace, values, option_string=None):  argument
1035     def __call__(self, parser, namespace, values, option_string=None):  argument
1087     def __call__(self, parser, namespace, values, option_string=None):  argument
1689     def parse_args(self, args=None, namespace=None):  argument
1696     def parse_known_args(self, args=None, namespace=None):  argument
1727     def _parse_known_args(self, arg_strings, namespace):  argument