title: ImportError: No module named app_manage when running Django with django-cms installed
body: <p>I had a local working django project based on django–cms. its not working anymore when i activate virtualenv. Here full Error message:</p>
  
  <pre><code>Ajays-MacBook-Pro:django-cms-release-3.3.x ajayvelu$ python manage.py runserver
  Traceback (most recent call last):
    File "manage.py", line 6, in &lt;module&gt;
      import app_manage
  ImportError: No module named app_manage
  </code></pre>