diff --git a/tests/test_utils/test_model_checkpoint.py b/tests/test_utils/test_model_checkpoint.py
index c50eec1..2dcabf4 100644
--- a/tests/test_utils/test_model_checkpoint.py
+++ b/tests/test_utils/test_model_checkpoint.py
@@ -8,9 +8,8 @@ import torch.distributed as dist
 from internlm.core.context.parallel_context import Config
 from internlm.core.trainer import TrainState
 from internlm.solver.optimizer.hybrid_zero_optim import HybridZeroOptimizer
-from internlm.utils.common import SingletonMeta
 from internlm.utils.model_checkpoint import CheckpointManager
-from internlm.utils.storage_manager import wait_async_upload_finish
+from internlm.utils.storage_manager import SingletonMeta, wait_async_upload_finish
 from tests.test_utils.common_fixture import (  # noqa # pylint: disable=unused-import
     ASYNC_TMP_FOLDER,
     BOTO_SAVE_PATH,