HTTP/1.1 502 BAD GATEWAY
Connection: keep-alive
Server: gunicorn/19.8.1
Date: Wed, 23 May 2018 15:54:52 GMT
Content-Type: text/html; charset=utf-8
Access-Control-Allow-Origin: *
Access-Control-Allow-Credentials: true
Content-Length: 0
Via: 1.1 vegur

