--- a/Graphics/GraphicsUtilities.py	Sun Jan 31 16:15:16 2010 +0000
+++ b/Graphics/GraphicsUtilities.py	Sun Jan 31 17:11:22 2010 +0000
@@ -76,7 +76,7 @@
         nodes = list(filter(lambda x, l = stage: x not in l, nodes))
         if nodelen == len(nodes):
             if noRecursion:
-                raise recursionError(nodes)
+                raise RecursionError(nodes)
             else:
                 stages.append(nodes[:])
                 nodes = []