Fix style errors

Author: uvchik

tests/test_data_handling.py

@@ -3,20 +3,15 @@
 SPDX-License-Identifier: MIT
 """
 
+import filecmp
 import os
-from datetime import datetime
 from shutil import copyfile
-import filecmp
+
 import pandas as pd
 import pytest
-
 from windpowerlib.data import (
-    check_data_integrity,
-    check_turbine_data,
-    get_turbine_types,
-    store_turbine_data_from_oedb,
-    restore_default_turbine_data,
-)
+    check_data_integrity, check_turbine_data, get_turbine_types,
+    restore_default_turbine_data, store_turbine_data_from_oedb)
 
 
 class TestDataCheck:

windpowerlib/data.py

@@ -5,11 +5,9 @@
 SPDX-License-Identifier: MIT
 """
 
-import filecmp
 import logging
 import os
 import warnings
-from datetime import datetime
 from shutil import copyfile
 
 import pandas as pd