lint code (#1619)

modelscope/hub/utils/utils.py

@@ -9,7 +9,6 @@ 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,
@@ -18,7 +17,6 @@ from modelscope.hub.constants import (DEFAULT_MODELSCOPE_DOMAIN,
                                       MODEL_ID_SEPARATOR, MODELSCOPE_DOMAIN,
                                       MODELSCOPE_SDK_DEBUG,
                                       MODELSCOPE_URL_SCHEME)
-from modelscope.hub.errors import FileIntegrityError
 from modelscope.utils.logger import get_logger
 
 logger = get_logger()
@@ -312,6 +310,7 @@ def convert_timestamp(time_stamp: Union[int, str, datetime],
     Returns:
         Timezone-aware datetime object or None if input is None
     """
+    import zoneinfo
     if not time_stamp:
         return None
 

tests/hub/test_hub_repo_info.py

@@ -5,8 +5,6 @@ import datetime
 import unittest
 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,
@@ -236,6 +234,7 @@ class HubRepoInfoTest(unittest.TestCase):
     @unittest.skipUnless(test_level() >= 0, 'skip test in current test level')
     def test_model_info_class_comprehensive(self):
         """Test ModelInfo class initialization and properties."""
+        import zoneinfo
         model_data = {
             'Id': 123,
             'Name': 'demo-model',
@@ -344,6 +343,7 @@ class HubRepoInfoTest(unittest.TestCase):
     @unittest.skipUnless(test_level() >= 0, 'skip test in current test level')
     def test_dataset_info_class(self):
         # Test DatasetInfo class initialization and properties
+        import zoneinfo
         dataset_data = {
             'Id': 456,
             'Name': 'demo-dataset',