diff --git a/keystone_tempest_plugin/tests/rbac/v3/test_policy_association.py b/keystone_tempest_plugin/tests/rbac/v3/test_policy_association.py
index a3cf76d..c1a1807 100644
--- a/keystone_tempest_plugin/tests/rbac/v3/test_policy_association.py
+++ b/keystone_tempest_plugin/tests/rbac/v3/test_policy_association.py
@@ -157,7 +157,7 @@
         This test must check
           * whether the persona can delete a policy association for a region
             and service
-        """
+        """  # noqa: E501
         pass
 
 
diff --git a/keystone_tempest_plugin/tests/scenario/keycloak.py b/keystone_tempest_plugin/tests/scenario/keycloak.py
index 50c3495..ef2b01d 100644
--- a/keystone_tempest_plugin/tests/scenario/keycloak.py
+++ b/keystone_tempest_plugin/tests/scenario/keycloak.py
@@ -26,7 +26,7 @@
 
     @property
     def url_base(self):
-        return self.keycloak_url + f'/admin/realms'
+        return self.keycloak_url + '/admin/realms'
 
     @property
     def token_endpoint(self):