--- old/setup.py	2014-08-26 04:24:27.000000000 +0200
+++ new/setup.py	2014-09-18 23:28:32.597091000 +0200
@@ -97,7 +97,7 @@
     setupext.BackendGtk3Agg(),
     setupext.BackendGtk3Cairo(),
     setupext.BackendGtkAgg(),
-    setupext.BackendTkAgg(),
+    #setupext.BackendTkAgg(),
     setupext.BackendWxAgg(),
     setupext.BackendGtk(),
     setupext.BackendAgg(),