passing arguments dict to componenets instead of **kwargs

uncloud/api/main.py

@@ -565,7 +565,7 @@ api.add_resource(CreateNetwork, '/network/create')
 
 def main(arguments):
     debug = arguments['debug']
-    port  = arguments['port']
+    port = arguments['port']
 
     try:
         image_stores = list(
@@ -596,12 +596,6 @@ def main(arguments):
     #     )
 
     try:
-        app.run(host='::',
-                port=port,
-                debug=debug)
+        app.run(host='::', port=port, debug=debug)
     except OSError as e:
         raise UncloudException('Failed to start Flask: {}'.format(e))
-
-
-if __name__ == '__main__':
-    main()