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 7ff01459a005..e1705dbe7f61 100644
--- a/modules/openapi-generator/src/main/resources/python/api_client.mustache
+++ b/modules/openapi-generator/src/main/resources/python/api_client.mustache
@@ -349,15 +349,15 @@ class ApiClient(object):
                                    _preload_content, _request_timeout, _host)
 
         return self.pool.apply_async(self.__call_api, (resource_path,
-                                        method, path_params, query_params,
-                                        header_params, body,
-                                        post_params, files,
-                                        response_type, auth_settings,
-                                        _return_http_data_only,
-                                        collection_formats,
-                                        _preload_content,
-                                        _request_timeout,
-                                        _host))
+                                                        method, path_params, query_params,
+                                                        header_params, body,
+                                                        post_params, files,
+                                                        response_type, auth_settings,
+                                                        _return_http_data_only,
+                                                        collection_formats,
+                                                        _preload_content,
+                                                        _request_timeout,
+                                                        _host))
 
     def request(self, method, url, query_params=None, headers=None,
                 post_params=None, body=None, _preload_content=True,
diff --git a/samples/client/petstore/python-asyncio/petstore_api/api_client.py b/samples/client/petstore/python-asyncio/petstore_api/api_client.py
index 430e7f2ced4b..5fd255e3933e 100644
--- a/samples/client/petstore/python-asyncio/petstore_api/api_client.py
+++ b/samples/client/petstore/python-asyncio/petstore_api/api_client.py
@@ -342,15 +342,15 @@ class ApiClient(object):
                                    _preload_content, _request_timeout, _host)
 
         return self.pool.apply_async(self.__call_api, (resource_path,
-                                        method, path_params, query_params,
-                                        header_params, body,
-                                        post_params, files,
-                                        response_type, auth_settings,
-                                        _return_http_data_only,
-                                        collection_formats,
-                                        _preload_content,
-                                        _request_timeout,
-                                        _host))
+                                                        method, path_params, query_params,
+                                                        header_params, body,
+                                                        post_params, files,
+                                                        response_type, auth_settings,
+                                                        _return_http_data_only,
+                                                        collection_formats,
+                                                        _preload_content,
+                                                        _request_timeout,
+                                                        _host))
 
     def request(self, method, url, query_params=None, headers=None,
                 post_params=None, body=None, _preload_content=True,
diff --git a/samples/client/petstore/python-tornado/petstore_api/api_client.py b/samples/client/petstore/python-tornado/petstore_api/api_client.py
index 475590e8da87..3e440cceb92c 100644
--- a/samples/client/petstore/python-tornado/petstore_api/api_client.py
+++ b/samples/client/petstore/python-tornado/petstore_api/api_client.py
@@ -344,15 +344,15 @@ class ApiClient(object):
                                    _preload_content, _request_timeout, _host)
 
         return self.pool.apply_async(self.__call_api, (resource_path,
-                                        method, path_params, query_params,
-                                        header_params, body,
-                                        post_params, files,
-                                        response_type, auth_settings,
-                                        _return_http_data_only,
-                                        collection_formats,
-                                        _preload_content,
-                                        _request_timeout,
-                                        _host))
+                                                        method, path_params, query_params,
+                                                        header_params, body,
+                                                        post_params, files,
+                                                        response_type, auth_settings,
+                                                        _return_http_data_only,
+                                                        collection_formats,
+                                                        _preload_content,
+                                                        _request_timeout,
+                                                        _host))
 
     def request(self, method, url, query_params=None, headers=None,
                 post_params=None, body=None, _preload_content=True,
diff --git a/samples/client/petstore/python/petstore_api/api_client.py b/samples/client/petstore/python/petstore_api/api_client.py
index 8bdeea458a65..e4ae16f89384 100644
--- a/samples/client/petstore/python/petstore_api/api_client.py
+++ b/samples/client/petstore/python/petstore_api/api_client.py
@@ -342,15 +342,15 @@ class ApiClient(object):
                                    _preload_content, _request_timeout, _host)
 
         return self.pool.apply_async(self.__call_api, (resource_path,
-                                        method, path_params, query_params,
-                                        header_params, body,
-                                        post_params, files,
-                                        response_type, auth_settings,
-                                        _return_http_data_only,
-                                        collection_formats,
-                                        _preload_content,
-                                        _request_timeout,
-                                        _host))
+                                                        method, path_params, query_params,
+                                                        header_params, body,
+                                                        post_params, files,
+                                                        response_type, auth_settings,
+                                                        _return_http_data_only,
+                                                        collection_formats,
+                                                        _preload_content,
+                                                        _request_timeout,
+                                                        _host))
 
     def request(self, method, url, query_params=None, headers=None,
                 post_params=None, body=None, _preload_content=True,
diff --git a/samples/openapi3/client/petstore/python/petstore_api/api_client.py b/samples/openapi3/client/petstore/python/petstore_api/api_client.py
index 8bdeea458a65..e4ae16f89384 100644
--- a/samples/openapi3/client/petstore/python/petstore_api/api_client.py
+++ b/samples/openapi3/client/petstore/python/petstore_api/api_client.py
@@ -342,15 +342,15 @@ class ApiClient(object):
                                    _preload_content, _request_timeout, _host)
 
         return self.pool.apply_async(self.__call_api, (resource_path,
-                                        method, path_params, query_params,
-                                        header_params, body,
-                                        post_params, files,
-                                        response_type, auth_settings,
-                                        _return_http_data_only,
-                                        collection_formats,
-                                        _preload_content,
-                                        _request_timeout,
-                                        _host))
+                                                        method, path_params, query_params,
+                                                        header_params, body,
+                                                        post_params, files,
+                                                        response_type, auth_settings,
+                                                        _return_http_data_only,
+                                                        collection_formats,
+                                                        _preload_content,
+                                                        _request_timeout,
+                                                        _host))
 
     def request(self, method, url, query_params=None, headers=None,
                 post_params=None, body=None, _preload_content=True,