title: gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3>
body: <p>I've installed gunicorn inside my virtualenv.</p>
  
  <p>From this directory:</p>
  
  <pre><code>manage.py
  /onbytes/wsgi.py
  </code></pre>
  
  <p>I run the following:</p>
  
  <pre><code>gunicorn onbytes.wsgi:application
  </code></pre>
  
  <p>And I get the following error:</p>
  
  <pre><code>Traceback (most recent call last):
    File "/home/ymorin007/.virtualenvs/onbytes.com/bin/gunicorn", line 9, in &lt;module&gt;
      load_entry_point('gunicorn==19.0.0', 'console_scripts', 'gunicorn')()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 74, in run
      WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]").run()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 166, in run
      super(Application, self).run()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 71, in run
      Arbiter(self).run()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 169, in run
      self.manage_workers()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 477, in manage_workers
      self.spawn_workers()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 537, in spawn_workers
      time.sleep(0.1 * random.random())
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 209, in handle_chld
      self.reap_workers()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 459, in reap_workers
      raise HaltServer(reason, self.WORKER_BOOT_ERROR)
  gunicorn.errors.HaltServer: &lt;HaltServer 'Worker failed to boot.' 3&gt;
  </code></pre>
  
  <p>running gunicorn onbytes.wsgi:application --preload will get me this error:</p>
  
  <pre><code>Traceback (most recent call last):
    File "/home/ymorin007/.virtualenvs/onbytes.com/bin/gunicorn", line 9, in &lt;module&gt;
      load_entry_point('gunicorn==19.0.0', 'console_scripts', 'gunicorn')()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 74, in run
      WSGIApplication("%(prog)s [OPTIONS] [APP_MODULE]").run()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 166, in run
      super(Application, self).run()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 71, in run
      Arbiter(self).run()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 57, in __init__
      self.setup(app)
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/arbiter.py", line 113, in setup
      self.app.wsgi()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/base.py", line 66, in wsgi
      self.callable = self.load()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 65, in load
      return self.load_wsgiapp()
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load_wsgiapp
      return util.import_app(self.app_uri)
    File "/home/ymorin007/.virtualenvs/onbytes.com/local/lib/python2.7/site-packages/gunicorn/util.py", line 356, in import_app
      __import__(module)
    File "/home/ymorin007/sites/onbytes.com/src/onbytes/wsgi.py", line 8, in &lt;module&gt;
      from django.core.wsgi import get_wsgi_application
  ImportError: No module named django.core.wsgi
  </code></pre>