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 reorder_item(self, item, new_position):
    orig_position = self._get_item_position(item)
    processed_new_position = super().reorder_item(item, new_position)