title: Pandas throwing QXcbConnection on subplot
body: <p>I'm running python version 3.6.3 anaconda with matplotlib.</p>
  
  <p>If anyone knows what QXcbConnection is or how to fix it please let me know.</p>
  
  <p>I've been able to narrow down to this simplest case</p>
  
  <pre><code>&gt;&gt;&gt; import matplotlib.pyplot as plt
  &gt;&gt;&gt; fig, axes = plt.subplots(4)
  QXcbConnection: Could not connect to display localhost:33.0
  Aborted
  </code></pre>
  
  <p>Not sure what has changed between today and yesterday. I did upgrade windows to a newer version.</p>
  
  <p>I'm running on a remote linux server if that matters at all. I can include any systems settings but I dont know what to include at the moment.</p>