diff --git a/samples/openapi3/client/petstore/python-pydantic-v1/tests/test_deserialization.py b/samples/openapi3/client/petstore/python-pydantic-v1/tests/test_deserialization.py
index c5fb68663821..e671372089f7 100644
--- a/samples/openapi3/client/petstore/python-pydantic-v1/tests/test_deserialization.py
+++ b/samples/openapi3/client/petstore/python-pydantic-v1/tests/test_deserialization.py
@@ -293,3 +293,4 @@ def test_deserialize_animal(self):
         self.assertEqual(deserialized.class_name, "Cat")
         self.assertEqual(deserialized.declawed, True)
         self.assertEqual(deserialized.to_json(), '{"className": "Cat", "color": "red", "declawed": true}')
+