def save(self):
        tmp_path = self.path + '.tmp'
        with open(tmp_path, 'w') as f:
            f.write(json.dumps(self.body_labels.items()))
        os.rename(tmp_path, self.path)
def _rank_zero_info(self, *args, **kwargs) -> None:
        if self._local_rank in (None, 0):
            log.info(*args, **kwargs)