def test_contains(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def deserialize(self, value):
        value = decode(value)
        validators.validate_choice(value.lower(), self.levels.keys())
        return self.levels.get(value.lower())