title: How to install the 'glob' module?
body: <p>I am running ubuntu 14.04 and trying to launch ROS Simulator. I have this error:</p>
  
  <pre class="lang-none prettyprint-override"><code>ImportError: No module named 'glob'
  </code></pre>
  
  <p>Installing glob2 does not solve the problem.</p>
  
  <p><code>python -m site</code> output:</p>
  
  <pre class="lang-none prettyprint-override"><code>sys.path = [
      '/home/omar',
      '/opt/ros/indigo/lib/python2.7/dist-packages',
      '/home/omar/anaconda3/lib/python35.zip',
      '/home/omar/anaconda3/lib/python3.5',
      '/home/omar/anaconda3/lib/python3.5/plat-linux',
      '/home/omar/anaconda3/lib/python3.5/lib-dynload',
      '/home/omar/anaconda3/lib/python3.5/site-packages',
      '/home/omar/anaconda3/lib/python3.5/site-packages/Sphinx-1.4.6-py3.5.egg',
      '/home/omar/anaconda3/lib/python3.5/site-packages/numba-0.29.0-py3.5-linux-x86_64.egg',
      '/home/omar/anaconda3/lib/python3.5/site-packages/glob2-0.4.1-py3.5.egg',
      '/home/omar/anaconda3/lib/python3.5/site-packages/setuptools-27.2.0-py3.5.egg',
  ]
  USER_BASE: '/home/omar/.local' (exists)
  USER_SITE: '/home/omar/.local/lib/python3.5/site-packages' (doesn't exist)
  ENABLE_USER_SITE: True
  </code></pre>