def restore_taskset(self, taskset_id):
        try:
            return self.get(taskset_id=taskset_id)
        except self.model.DoesNotExist:
            pass
*musicpd.org, music database section:*
dataset/ETHPy150Open celery/django-celery/djcelery/managers.py/TaskSetManager.restore_taskset--crossover with--dataset/ETHPy150Open mopidy/mopidy/mopidy/mpd/protocol/music_db.py/listall