
Now you able to upgrade connection with eventlet.websocket.WebSocketsWSGI when app runs under `gunicorn application:app -k eventlet` https://github.com/eventlet/eventlet/pull/331
Now you able to upgrade connection with eventlet.websocket.WebSocketsWSGI when app runs under `gunicorn application:app -k eventlet` https://github.com/eventlet/eventlet/pull/331