Gunicorn error: 'Response' object has no attribute 'status_code'

[hongquan]

I followed the INSTALLATION_LOCAL.md doc. I ran the web app with this command:

INTEGRATE_SOCKETIO=true gunicorn app:app -k eventlet -b localhost:5000

After testing a while, I got this error in console:

[2016-10-07 10:27:43 +0000] [23475] [ERROR] Error handling request /socket.io/?EIO=3&transport=websocket&sid=a5d16c6d35624ad1a57b8d0b957e6831
Traceback (most recent call last):
  File "/home/quan/Works/Envs/oevent/local/lib/python2.7/site-packages/gunicorn/workers/async.py", line 52, in handle
    self.handle_request(listener_name, req, client, addr)
  File "/home/quan/Works/Envs/oevent/local/lib/python2.7/site-packages/gunicorn/workers/async.py", line 112, in handle_request
    resp.close()
  File "/home/quan/Works/Envs/oevent/local/lib/python2.7/site-packages/gunicorn/http/wsgi.py", line 418, in close
    self.send_headers()
  File "/home/quan/Works/Envs/oevent/local/lib/python2.7/site-packages/gunicorn/http/wsgi.py", line 334, in send_headers
    tosend = self.default_headers()
  File "/home/quan/Works/Envs/oevent/local/lib/python2.7/site-packages/gunicorn/http/wsgi.py", line 315, in default_headers
    elif self.should_close():
  File "/home/quan/Works/Envs/oevent/local/lib/python2.7/site-packages/gunicorn/http/wsgi.py", line 238, in should_close
    if self.status_code < 200 or self.status_code in (204, 304):
AttributeError: 'Response' object has no attribute 'status_code'

Update:

• My Python env: http://hastebin.com/nuwawupalu.ini

[aviaryan]

It is a gunicorn issue (miguelgrinberg/Flask-SocketIO#223 (comment)) and it doesn't lead to any data loss or problems. (miguelgrinberg/Flask-SocketIO#223 (comment))
I don't think there is any thing we can do here. You can check the open issue on gunicorn. benoitc/gunicorn#1210