Correct off-by-two-pixels error.
diff --git a/Demo/tkinter/guido/hanoi.py b/Demo/tkinter/guido/hanoi.py
index 2cc4134..9e566c4 100755
--- a/Demo/tkinter/guido/hanoi.py
+++ b/Demo/tkinter/guido/hanoi.py
@@ -111,7 +111,7 @@
 			self.tk.update()
 
 		# Move it down on top of the previous piece
-		pieceheight = y2-y1-2
+		pieceheight = y2-y1
 		newbottom = by2 - pieceheight*len(self.pegstate[b]) - 2
 		while 1:
 			x1, y1, x2, y2 = c.bbox(p)