refactor: code formatting after tox checks

src/keycloak/keycloak_admin.py

@@ -785,16 +785,14 @@ class KeycloakAdmin:
         return self.update_user(user_id=user_id, payload={"enabled": True})
 
     def disable_all_users(self):
-        """Disable all existing users.
-        """
+        """Disable all existing users."""
         users = self.get_users()
         for user in users:
             user_id = user["id"]
             self.disable_user(user_id=user_id)
 
     def enable_all_users(self):
-        """Disable all existing users.
-        """
+        """Disable all existing users."""
         users = self.get_users()
         for user in users:
             user_id = user["id"]