title: Windows Subsystem for Linux DISPLAY variable setup
body: <p>I'm experimenting with Windows Subsystem for Linux and am trying to create python plots using Matplotlib. But i get the following error</p>
  
  <pre><code>RuntimeError: Invalid DISPLAY variable
  </code></pre>
  
  <p><code>echo DISPLAY</code> shows nothing. How can I setup the <code>DISPLAY</code> variable? </p>