diff -r 7158aa054226 -r 077bcba2d485 controls/DebugVariablePanel/DebugVariableViewer.py
--- a/controls/DebugVariablePanel/DebugVariableViewer.py	Fri Oct 11 12:10:40 2013 +0200
+++ b/controls/DebugVariablePanel/DebugVariableViewer.py	Sat Oct 12 10:10:30 2013 +0900
@@ -27,7 +27,6 @@
 import wx
 
 import matplotlib
-matplotlib.use('WX')
 import matplotlib.pyplot
 from matplotlib.backends.backend_wxagg import _convert_agg_to_wx_bitmap