docs: def _call_method_from_namespace(obj, method_name, namespace):
      """Call the method, retrieved from obj, with the correct arguments via
      the namespace
  
      Args:
          obj: any kind of object
          method_name: method to be called
          namespace: an argparse.Namespace object containing parsed command
          line arguments
      """
      method = getattr(obj, method_name)
      method_parser = method.parser
      arg_names = _get_args_name_from_parser(method_parser)
      if method_name == "__init__":
          return _call(obj, arg_names, namespace)
      return _call(method, arg_names, namespace)