diff --git a/python/az/aro/azext_aro/tests/latest/unit/test_validators.py b/python/az/aro/azext_aro/tests/latest/unit/test_validators.py
index 7f753ef653c..101782da99f 100644
--- a/python/az/aro/azext_aro/tests/latest/unit/test_validators.py
+++ b/python/az/aro/azext_aro/tests/latest/unit/test_validators.py
@@ -819,7 +819,7 @@ def test_validate_worker_vm_disk_size_gb(test_description, namespace, expected_e
         "should not raise any Exception because namespace.client_secret is None and namespace.client_id is None",
         Mock(platform_workload_identities=None, client_secret=None, client_id=None),
         None
-    ), 
+    ),
     (
         "should raise MutuallyExclusiveArgumentError Exception because namespace.platform_workload_identities is present", 
         Mock(platform_workload_identities=[Mock(resource_id='Foo')], client_id=None, client_secret=None),