title: Error while running gunicorn in django
body: <p>I am getting error while running gunicorn.</p>
  
  <pre><code>Started gunicorn daemon.
  Starting gunicorn daemon...
  [2018-07-15 07:39:16 +0000] [11359] [INFO] Starting gunicorn 19.9.0
  [2018-07-15 07:39:16 +0000] [11359] [INFO] Listening at: http://0.0.0.0:4000 (11359)
  [2018-07-15 07:39:16 +0000] [11359] [INFO] Using worker: sync
  [2018-07-15 07:39:16 +0000] [11362] [INFO] Booting worker with pid: 11362
  [2018-07-15 07:39:16 +0000] [11362] [ERROR] Exception in worker process
  Traceback (most recent call last):File "/home/ec2-user/bankserver/env/lib   /python3.6/site-packages/gunicorn/arbiter.py", lineworker.init_process()
  File "/home/ec2-user/bankserver/env/lib/python3.6/site-packages/gunicorn /workers/base.py",self.load_wsgi()
  File "/home/ec2-user/bankserver/env/lib/python3.6/site-packages/gunicorn/workers/base.py",self.wsgi = self.app.wsgi()
  File "/home/ec2-user/bankserver/env/lib/python3.6/site-packages/gunicorn/app/base.py", linself.callable = self.load()
  File "/home/ec2-user/bankserver/env/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py",return self.load_wsgiapp()
  File "/home/ec2-user/bankserver/env/lib/python3.6/site-packages/gunicorn/app/wsgiapp.py",return util.import_app(self.app_uri)
  File "/home/ec2-user/bankserver/env/lib/python3.6/site-packages/gunicorn/util.py", line 35
  __import__(module)
  ModuleNotFoundError: No module named 'aggregator'
  [2018-07-15 07:39:16 +0000] [11362] [INFO] Worker exiting (pid: 11362)
  [2018-07-15 07:39:16 +0000] [11359] [INFO] Shutting down: Master
  [2018-07-15 07:39:16 +0000] [11359] [INFO] Reason: Worker failed to boot.
  gunicorn.service: main process exited, code=exited, status=3/NOTIMPLEMENTED
  Unit gunicorn.service entered failed state.
  gunicorn.service failed.
  </code></pre>
  
  <p>Installed path:
      I have installed virtual env in : /home/ec2-user/bserver/env/bin/*
      I have django application in : /home/ec2-user/sigma_app/django_app_04-07-2018/aggregator(here aggregator is project name)</p>
  
  <p>gunicorn.service contains:</p>
  
  <pre><code>[Unit]
  Description=gunicorn daemon
  After=network.target
  
  [Service]
  User=ec2-user
  Group=ec2-user
  WorkingDirectory=/home/ec2-user/sigma_app/django_app_04-07-2018/aggregator
  ExecStart=/home/ec2-user/bserver/env/bin/python3.6 /home/ec2-user/bserver/env/bin/gunicorn --workers 3 --bind :4000 aggregator.wsgi:application
  </code></pre>