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

        prio_set_list.add(0, obj)
        assert obj in prio_set_list
def _rank_zero_info(self, *args, **kwargs) -> None:
        if self._local_rank in (None, 0):
            log.info(*args, **kwargs)