title: New line character not appearing correctly in matplotlib annotation
body: <p>I'm using <code>plt.annotate</code> with a string that looks like: <code>"br: 147\nhealthy: 0\n ..."</code> but the new line characters appear as square boxes in the plot. Does anyone have a solution to this?</p>
  
  <p><a href="https://i.stack.imgur.com/Cc5fo.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Cc5fo.png" alt="Image"></a></p>