Use stringIO from six

jenshnielsen · jenshnielsen · commit 414bcff83c6f · 2014-12-30T12:16:20.000+01:00
Python3 fix
diff --git a/examples/api/skewt.py b/examples/api/skewt.py
@@ -146,7 +146,7 @@ def _set_lim_and_transforms(self):
     # Now make a simple example using the custom projection.
     from matplotlib.ticker import ScalarFormatter, MultipleLocator
     import matplotlib.pyplot as plt
-    from StringIO import StringIO
+    from six import StringIO
     import numpy as np
 
     # Some examples data
