title: Error importing pygtk with Anaconda
body: <p>OS: Ubuntu 15.10</p>
  
  <p>I had no problem importing pygtk with default Python interpreter.  However I wasn't able to do so using the Anaconda interpreter.</p>
  
  <pre><code>Python 2.7.11 |Anaconda 2.5.0 (64-bit)| (default, Dec  6 2015, 18:08:32) 
  [GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
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  &gt;&gt;&gt; import pygtk
  Traceback (most recent call last):
    File "&lt;stdin&gt;", line 1, in &lt;module&gt;
  ImportError: No module named pygtk
  </code></pre>
  
  <p>I also couldn't get it to work after installing the pygtk with conda.</p>
  
  <pre><code>/opt/anaconda2/pkgs$ conda info --env
  Using Anaconda Cloud api site https://api.anaconda.org
  # conda environments:
  #
  root                  *  /opt/anaconda2
  
  /opt/anaconda2/pkgs$ conda list -n root|grep pygtk
  pygtk                     2.16.0                        1    ska
  </code></pre>
  
  <p>As you can see from the output that pygtk pkg is available under the root env.</p>
  
  <p>Any ideas what I have missed or done incorrectly?</p>