def test_bool(self):
        prio_set_list = event._PrioritizedSetList()

        assert bool(prio_set_list) is False

        prio_set_list.add(0, None)
        assert bool(prio_set_list) is True
def serializable_fields(self):
        """ in certain cases the user model isn't serializable so you may want to only send the id """
        return self