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 _to_python(self, value):
        if isinstance(value, Proxy):
            return value.get()
        else:
            return value