diff --git a/modules/openapi-generator/src/main/resources/python/model_utils.mustache b/modules/openapi-generator/src/main/resources/python/model_utils.mustache
index 9f3264e98ed..9c299d4b3ef 100644
--- a/modules/openapi-generator/src/main/resources/python/model_utils.mustache
+++ b/modules/openapi-generator/src/main/resources/python/model_utils.mustache
@@ -1116,7 +1116,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=True
+                must_convert=True,
+                check_type=_check_type
             )
             return converted_instance
         else:
@@ -1136,7 +1137,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=False
+                must_convert=False,
+                check_type=_check_type
             )
             return converted_instance
 
diff --git a/samples/client/petstore/python/petstore_api/model_utils.py b/samples/client/petstore/python/petstore_api/model_utils.py
index ba607acda86..7afcb68f615 100644
--- a/samples/client/petstore/python/petstore_api/model_utils.py
+++ b/samples/client/petstore/python/petstore_api/model_utils.py
@@ -1398,7 +1398,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=True
+                must_convert=True,
+                check_type=_check_type
             )
             return converted_instance
         else:
@@ -1418,7 +1419,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=False
+                must_convert=False,
+                check_type=_check_type
             )
             return converted_instance
 
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 7acd69f3ca7..2533abbc717 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
@@ -1398,7 +1398,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=True
+                must_convert=True,
+                check_type=_check_type
             )
             return converted_instance
         else:
@@ -1418,7 +1419,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=False
+                must_convert=False,
+                check_type=_check_type
             )
             return converted_instance
 
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 48a70aeb472..f0a4962ad53 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
@@ -1398,7 +1398,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=True
+                must_convert=True,
+                check_type=_check_type
             )
             return converted_instance
         else:
@@ -1418,7 +1419,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=False
+                must_convert=False,
+                check_type=_check_type
             )
             return converted_instance
 
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 ba607acda86..7afcb68f615 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/model_utils.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/model_utils.py
@@ -1398,7 +1398,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=True
+                must_convert=True,
+                check_type=_check_type
             )
             return converted_instance
         else:
@@ -1418,7 +1419,8 @@ def validate_and_convert_types(input_value, required_types_mixed, path_to_item,
                 configuration,
                 spec_property_naming,
                 key_type=False,
-                must_convert=False
+                must_convert=False,
+                check_type=_check_type
             )
             return converted_instance