Run 2to3 over the Demo/ directory to shut up parse errors from 2to3 about lingering print statements.
diff --git a/Demo/tkinter/matt/dialog-box.py b/Demo/tkinter/matt/dialog-box.py
index dea8f39..0c71c3a 100644
--- a/Demo/tkinter/matt/dialog-box.py
+++ b/Demo/tkinter/matt/dialog-box.py
@@ -6,7 +6,7 @@
 
 class Test(Frame):
     def printit(self):
-        print "hi"
+        print("hi")
 
     def makeWindow(self):
         """Create a top-level dialog with some buttons.