title: Error: pkg_resources.DistributionNotFound: The 'django==1.9.1' distribution was not found
body: <p>I am getting following error trace when I am trying to run server in python environment:</p>
  
  <pre><code>Traceback (most recent call last):
    File "/home/web/.virtualenvs/kolibri/bin/kolibri", line 5, in &lt;module&gt;
      from pkg_resources import load_entry_point
    File "/home/web/.virtualenvs/kolibri/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2927, in &lt;module&gt;
      @_call_aside
    File "/home/web/.virtualenvs/kolibri/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2913, in _call_aside
      f(*args, **kwargs)
    File "/home/web/.virtualenvs/kolibri/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2940, in _initialize_master_working_set
      working_set = WorkingSet._build_master()
    File "/home/web/.virtualenvs/kolibri/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 637, in _build_master
      return cls._build_from_requirements(__requires__)
    File "/home/web/.virtualenvs/kolibri/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 650, in _build_from_requirements
      dists = ws.resolve(reqs, Environment())
    File "/home/web/.virtualenvs/kolibri/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 829, in resolve
      raise DistributionNotFound(req, requirers)
  pkg_resources.DistributionNotFound: The 'django==1.9.1' distribution was not found and is required by kolibri  
  </code></pre>
  
  <p>Its related to django==1.9.1. Any idea why this is happening???</p>