title: Python: Installing pygresql
body: <p>I am trying to install PyGreSQL module on my computer using pip. It shows this message:
     <code>Collecting pygresql
      Using cached PyGreSQL-5.0.3-cp35-cp35m-win_amd64.whl
      Installing collected packages: pygresql
      Successfully installed pygresql-5.0.3</code>
  But when I try to import it the very next message is this</p>
  
  <pre><code>&gt;&gt;&gt; import pygresql
     Traceback (most recent call last):
      File "&lt;stdin&gt;", line 1, in &lt;module&gt;
      ImportError: No module named 'pygresql'
   &gt;&gt;&gt; from pygresql import _pg
     Traceback (most recent call last):
     File "&lt;stdin&gt;", line 1, in &lt;module&gt;
     ImportError: No module named 'pygresql'
  </code></pre>