def get_feedback(self, feedback=None, **kwargs):
        """
        [NOT IMPLEMENTED]

        :raises NotImplementedError: because it isn't
        """
        raise NotImplementedError
        if feedback is not None:
            kwargs['feedback'] = feedback
        kwargs['context'] = 'feedback'
        return self.filter(**kwargs)
[NOT IMPLEMENTED]

        :raises NotImplementedError: because it isn't