fix a lot of Tkinter imports
diff --git a/Demo/tix/grid.py b/Demo/tix/grid.py
index 79b8886..4268f07 100644
--- a/Demo/tix/grid.py
+++ b/Demo/tix/grid.py
@@ -1,5 +1,5 @@
 ###
-import Tix as tk
+import tkinter.tix as tk
 from pprint import pprint
 
 r= tk.Tk()