--- a/Graphics/GraphicsUtilities.py	Sat Sep 28 17:40:42 2013 +0200
+++ b/Graphics/GraphicsUtilities.py	Sat Sep 28 19:06:25 2013 +0200
@@ -12,7 +12,8 @@
     """
     Unable to calculate result because of recursive structure.
     """
-    
+    pass
+
 
 def sort(nodes, routes, noRecursion=False):
     """