diff --git a/modules/openapi-generator/src/main/resources/python/model_templates/methods_shared.mustache b/modules/openapi-generator/src/main/resources/python/model_templates/methods_shared.mustache
index eddad2533af..5ffef97f6b6 100644
--- a/modules/openapi-generator/src/main/resources/python/model_templates/methods_shared.mustache
+++ b/modules/openapi-generator/src/main/resources/python/model_templates/methods_shared.mustache
@@ -19,7 +19,7 @@
         if self.get("_spec_property_naming", False):
             return cls._new_from_openapi_data(**self.__dict__)
         else:
-            return new_cls.__new__(cls, **self.__dict__)
+            return cls.__new__(cls, **self.__dict__)
 
     def __deepcopy__(self, memo):
         cls = self.__class__
diff --git a/samples/client/petstore/python/petstore_api/model_utils.py b/samples/client/petstore/python/petstore_api/model_utils.py
index 0bfd4ed181c..1b16e528b13 100644
--- a/samples/client/petstore/python/petstore_api/model_utils.py
+++ b/samples/client/petstore/python/petstore_api/model_utils.py
@@ -193,7 +193,7 @@ class OpenApiModel(object):
         if self.get("_spec_property_naming", False):
             return cls._new_from_openapi_data(**self.__dict__)
         else:
-            return new_cls.__new__(cls, **self.__dict__)
+            return cls.__new__(cls, **self.__dict__)
 
     def __deepcopy__(self, memo):
         cls = self.__class__
diff --git a/samples/client/petstore/python_disallowAdditionalPropertiesIfNotPresent/petstore_api/model_utils.py b/samples/client/petstore/python_disallowAdditionalPropertiesIfNotPresent/petstore_api/model_utils.py
index 0bfd4ed181c..1b16e528b13 100644
--- a/samples/client/petstore/python_disallowAdditionalPropertiesIfNotPresent/petstore_api/model_utils.py
+++ b/samples/client/petstore/python_disallowAdditionalPropertiesIfNotPresent/petstore_api/model_utils.py
@@ -193,7 +193,7 @@ class OpenApiModel(object):
         if self.get("_spec_property_naming", False):
             return cls._new_from_openapi_data(**self.__dict__)
         else:
-            return new_cls.__new__(cls, **self.__dict__)
+            return cls.__new__(cls, **self.__dict__)
 
     def __deepcopy__(self, memo):
         cls = self.__class__
diff --git a/samples/openapi3/client/extensions/x-auth-id-alias/python/x_auth_id_alias/model_utils.py b/samples/openapi3/client/extensions/x-auth-id-alias/python/x_auth_id_alias/model_utils.py
index e070ab26e5c..971302f1999 100644
--- a/samples/openapi3/client/extensions/x-auth-id-alias/python/x_auth_id_alias/model_utils.py
+++ b/samples/openapi3/client/extensions/x-auth-id-alias/python/x_auth_id_alias/model_utils.py
@@ -193,7 +193,7 @@ class OpenApiModel(object):
         if self.get("_spec_property_naming", False):
             return cls._new_from_openapi_data(**self.__dict__)
         else:
-            return new_cls.__new__(cls, **self.__dict__)
+            return cls.__new__(cls, **self.__dict__)
 
     def __deepcopy__(self, memo):
         cls = self.__class__
diff --git a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/model_utils.py b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/model_utils.py
index f258f1e6c47..94e8c1fbe2a 100644
--- a/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/model_utils.py
+++ b/samples/openapi3/client/features/dynamic-servers/python/dynamic_servers/model_utils.py
@@ -193,7 +193,7 @@ class OpenApiModel(object):
         if self.get("_spec_property_naming", False):
             return cls._new_from_openapi_data(**self.__dict__)
         else:
-            return new_cls.__new__(cls, **self.__dict__)
+            return cls.__new__(cls, **self.__dict__)
 
     def __deepcopy__(self, memo):
         cls = self.__class__
diff --git a/samples/openapi3/client/petstore/python/petstore_api/model_utils.py b/samples/openapi3/client/petstore/python/petstore_api/model_utils.py
index 0bfd4ed181c..1b16e528b13 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/model_utils.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/model_utils.py
@@ -193,7 +193,7 @@ class OpenApiModel(object):
         if self.get("_spec_property_naming", False):
             return cls._new_from_openapi_data(**self.__dict__)
         else:
-            return new_cls.__new__(cls, **self.__dict__)
+            return cls.__new__(cls, **self.__dict__)
 
     def __deepcopy__(self, memo):
         cls = self.__class__