def test_type(self):
        rset = event.ResultSet()
        with pytest.raises(NotImplementedError):
            rset.extend([])
        with pytest.raises(NotImplementedError):
            rset.extend(False)
def _rank_zero_info(self, *args, **kwargs) -> None:
        if self._local_rank in (None, 0):
            log.info(*args, **kwargs)