title: Gunicorn is failing to start with code=exited, status=203/EXEC
body: <p>Gunicorn works when testing with 0.0.0.0:8000 but failing with the production version below.
  Tried switching user:group to myproject:myproject, root:nginx, myproject:nginx nothing working</p>
  <p>sudo systemctl status gunicorn</p>
  <pre><code>● gunicorn.service - gunicorn daemon
      Loaded: loaded (/etc/systemd/system/gunicorn.service; enabled; vendor preset: disabled)
      Active: failed (Result: exit-code) since Sun 2020-08-30 08:49:57 PDT; 5s ago
      Process: 5576 ExecStart=/var/www/myproject/public_py/env/bin/gunicorn --access-logfile - --workers 3 --bind unix:/var/www/myproject/public_py/myproject.sock myproject.wsgi:application (code=exited, status=203/EXEC)
      Main PID: 5576 (code=exited, status=203/EXEC)
  
  Aug 30 08:49:57 myprojecthost systemd[1]: Started gunicorn daemon.
  Aug 30 08:49:57 myprojecthost systemd[1]: gunicorn.service: Main process exited, code=exited, status=203/EXEC
  Aug 30 08:49:57 myprojecthost systemd[1]: gunicorn.service: Failed with result 'exit-code'.
  </code></pre>
  <p>gunicorn.service</p>
  <pre><code>[Unit]
  Description=gunicorn daemon
  After=network.target
  
  [Service]
  User=root
  Group=nginx
  WorkingDirectory=/var/www/myproject/public_py
  ExecStart=/var/www/myproject/public_py/env/bin/gunicorn --access-logfile - --workers 3 --bind unix:/var/www/myproject/public_py/myproject.sock myproject.wsgi:application
  
  [Install]
  WantedBy=multi-user.target
  </code></pre>
  <p>Project lives in <code>/var/www/myproject</code></p>
  <p>cat /var/log/nginx/error.log</p>
  <pre><code>[crit] 1198#0: *51 connect() to unix:/var/www/myproject/public_py/myproject.sock failed (2: No such file or directory) while connecting to upstream, client: xx.xxx.xx.xxx, server: myproject.com, request: &quot;GET / HTTP/1.1&quot;, upstream: &quot;http://unix:/var/www/myproject/public_py/myproject.sock:/&quot;, host: &quot;myproject.com&quot;
  </code></pre>
  <p>stat /var/www/myproject/public_py/env/bin/gunicorn</p>
  <pre><code>  File: /var/www/myproject/public_py/env/bin/gunicorn
    Size: 243         Blocks: 8          IO Block: 4096   regular file
  Device: fd01h/64769d    Inode: 1066021     Links: 1
  Access: (0775/-rwxrwxr-x)  Uid: (    0/    root)   Gid: (  984/   nginx)
  Context: unconfined_u:object_r:httpd_sys_content_t:s0
  Access: 2020-08-30 08:07:44.939754370 -0700
  Modify: 2020-08-29 18:16:27.280494281 -0700
  Change: 2020-08-30 08:46:09.047708570 -0700
  </code></pre>