def do_labels_update(self, info, labels):
        """Updates a dictionary of labels using the assigned update_op_func

        Args:
           info (:class:`endpoints_management.control.report_request.Info`): the
              info instance to update
           labels (dict[string[string]]): the labels dictionary

        Return:
           `True` if desc is supported, otherwise `False`

        """
        if self.update_label_func:
            self.update_label_func(self.label_name, info, labels)