clean spacing

Author: isabelmsft

generic_config_updater/field_operation_validators.py

@@ -49,7 +49,7 @@ def rdma_config_update_validator(path, operation):
 
     version_substrings = build_version.split('.')
     branch_version = None
- 
+
     for substring in version_substrings:
         if substring.isdigit() and re.match(r'^\d{8}$', substring):
             branch_version = substring

tests/generic_config_updater/gu_common_test.py

@@ -4,7 +4,6 @@
 import sonic_yang
 import unittest
 import mock
-import generic_config_updater
 
 from unittest.mock import MagicMock, Mock
 from mock import patch