diff --git a/modules/openapi-generator/src/main/resources/python/api_client.mustache b/modules/openapi-generator/src/main/resources/python/api_client.mustache
index f16453833c0b..2cd270355c3e 100644
--- a/modules/openapi-generator/src/main/resources/python/api_client.mustache
+++ b/modules/openapi-generator/src/main/resources/python/api_client.mustache
@@ -379,7 +379,6 @@ class ApiClient:
             # Convert attribute name to json key in
             # model definition for request.
             if hasattr(obj, 'to_dict') and callable(getattr(obj, 'to_dict')):
-
                 obj_dict = obj.to_dict()
             else:
                 obj_dict = obj.__dict__
diff --git a/samples/openapi3/client/petstore/python/tests/test_model.py b/samples/openapi3/client/petstore/python/tests/test_model.py
index 8aa3404b6a2d..d24d6d17a69a 100644
--- a/samples/openapi3/client/petstore/python/tests/test_model.py
+++ b/samples/openapi3/client/petstore/python/tests/test_model.py
@@ -411,8 +411,8 @@ def test_valdiator(self):
         class LoginTest(BaseModel):
             username: StrictStr = Field(min_length=2, strict=True, max_length=64)
             password: SecretStr
-            
-        l = LoginTest(username="admin", password="testing09876")
+        
+        l = LoginTest(username="admin", password=SecretStr("testing09876"))
         self.assertEqual(petstore_api.ApiClient().sanitize_for_serialization(l), {'username': "admin", 'password': "testing09876"})
 
     def test_inline_enum_validator(self):