fixed lint

Author: daniel-sanche

google/auth/_helpers.py

@@ -334,7 +334,8 @@ def is_python_3():
     Returns:
         bool: True if the Python interpreter is Python 3 and False otherwise.
     """
-    return sys.version_info > (3, 0)
+
+    return sys.version_info > (3, 0)  # pragma: NO COVER
 
 
 def _hash_sensitive_info(data: Union[dict, list]) -> Union[dict, list, str]:

tests/test_version_warnings.py

@@ -14,8 +14,8 @@
 
 import importlib
 import sys
-import warnings
 from unittest import mock
+import warnings
 
 import pytest