title: Intellij not finding Python modules installed via pip
body: <p>I have installed the <code>nltk</code> package via <code>sudo pip install nltk</code> and it works fine:</p>
  
  <pre><code>21:07:00/~ $python -c "import nltk"
  </code></pre>
  
  <p>Just to be sure there were no clashing with <code>brew</code> pip I also did:</p>
  
  <pre><code>21:06:24/~ $python -m pip install nltk
  Requirement already satisfied: nltk in /usr/local/lib/python2.7/site-packages
  Requirement already satisfied: six in /usr/local/lib/python2.7/site-packages (from nltk)
  </code></pre>
  
  <p>So both brew and system python are happy together.</p>
  
  <p>Intellij is another story.  The basic python is working but the pip installed libraries are MIA:</p>
  
  <p><a href="https://i.stack.imgur.com/gUpGx.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gUpGx.png" alt="enter image description here"></a></p>
  
  <p>Here are the relevant SDK settings:</p>
  
  <p>Module level: </p>
  
  <p><a href="https://i.stack.imgur.com/H9Fx1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/H9Fx1.png" alt="enter image description here"></a></p>
  
  <p>Project level: </p>
  
  <p><a href="https://i.stack.imgur.com/gOkWI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gOkWI.png" alt="enter image description here"></a></p>
  
  <p>So what is needed in this project to have pip libraries welcomed?</p>