diff --git a/modelscope/hub/utils/utils.py b/modelscope/hub/utils/utils.py
index 161f866b..4ef9e494 100644
--- a/modelscope/hub/utils/utils.py
+++ b/modelscope/hub/utils/utils.py
@@ -5,11 +5,11 @@ import hashlib
 import os
 import sys
 import time
-import zoneinfo
 from datetime import datetime
 from pathlib import Path
 from typing import Generator, List, Optional, Union
 
+import zoneinfo
 from filelock import BaseFileLock, FileLock, SoftFileLock, Timeout
 
 from modelscope.hub.constants import (DEFAULT_MODELSCOPE_DOMAIN,
diff --git a/tests/hub/test_hub_repo_info.py b/tests/hub/test_hub_repo_info.py
index 6fe2408f..497c1cd8 100644
--- a/tests/hub/test_hub_repo_info.py
+++ b/tests/hub/test_hub_repo_info.py
@@ -3,9 +3,10 @@
 
 import datetime
 import unittest
-import zoneinfo
 from unittest.mock import Mock, patch
 
+import zoneinfo
+
 from modelscope.hub.api import HubApi
 from modelscope.hub.info import BlobLfsInfo, DatasetInfo, ModelInfo
 from modelscope.utils.constant import (DEFAULT_DATASET_REVISION,