Fix ImportError: No module named 'StringIO' on Python 3

cgohlke · cgohlke · commit e951bd665832 · 2016-01-02T22:46:58.000-08:00
diff --git a/examples/user_interfaces/svg_tooltip.py b/examples/user_interfaces/svg_tooltip.py
@@ -24,7 +24,7 @@
 
 import matplotlib.pyplot as plt
 import xml.etree.ElementTree as ET
-from StringIO import StringIO
+from io import BytesIO
 
 ET.register_namespace("", "http://www.w3.org/2000/svg")
 
@@ -72,7 +72,7 @@
 ax.set_ylim(-30, 30)
 ax.set_aspect('equal')
 
-f = StringIO()
+f = BytesIO()
 plt.savefig(f, format="svg")
 
 # --- Add interactivity ---
