title: Django - Error: No module named grappelli
body: <p>I followed the <a href="http://django-grappelli.readthedocs.org/en/latest/quickstart.html" rel="nofollow">installation guide</a> for Grappelli:  </p>
  
  <p>Installed django-grappelli</p>
  
  <pre><code>$ pip install django-grappelli
  </code></pre>
  
  <p>Modified <strong>settings.py</strong></p>
  
  <pre><code>INSTALLED_APPS = (
    'grappelli',
    'django.contrib.admin',
  )
  </code></pre>
  
  <p>my <strong>urls.py</strong></p>
  
  <pre><code>urlpatterns = patterns('',
    (r'^grappelli/', include('grappelli.urls')),
  )
  </code></pre>
  
  <p>And django tells me:</p>
  
  <blockquote>
    <p>Error: No module named grappelli</p>
  </blockquote>
  
  <p>What did I forgot ?</p>
  
  <p><strong>Edit</strong></p>
  
  <pre><code>$ pip install django-grappelli
  </code></pre>
  
  <blockquote>
    <p>Requirement already satisfied: django-grappelli in /usr/local/lib/python2.6/dist-packages<br>
    Installing collected packages: django-grappelli<br>
    Successfully installed django-grappelli</p>
  </blockquote>
  
  <pre><code>$ pip freeze
  </code></pre>
  
  <blockquote>
    <p>...<br>
    django-grappelli==2.3.5<br>
    ...  </p>
  </blockquote>