Whitespace normalization, via reindent.py.
diff --git a/Demo/tkinter/matt/not-what-you-might-think-2.py b/Demo/tkinter/matt/not-what-you-might-think-2.py
index c01854e..9ee197c 100644
--- a/Demo/tkinter/matt/not-what-you-might-think-2.py
+++ b/Demo/tkinter/matt/not-what-you-might-think-2.py
@@ -4,23 +4,23 @@
 class Test(Frame):
     def createWidgets(self):
 
-	self.Gpanel = Frame(self, width='1i', height='1i',
-			    background='green')
+        self.Gpanel = Frame(self, width='1i', height='1i',
+                            background='green')
 
-	# this line turns off the recalculation of geometry by masters.
-	self.Gpanel.propagate(0)
+        # this line turns off the recalculation of geometry by masters.
+        self.Gpanel.propagate(0)
 
-	self.Gpanel.pack(side=LEFT)
+        self.Gpanel.pack(side=LEFT)
 
-	# a QUIT button
-	self.Gpanel.QUIT = Button(self.Gpanel, text='QUIT', foreground='red',
-				  command=self.quit)
-	self.Gpanel.QUIT.pack(side=LEFT)
+        # a QUIT button
+        self.Gpanel.QUIT = Button(self.Gpanel, text='QUIT', foreground='red',
+                                  command=self.quit)
+        self.Gpanel.QUIT.pack(side=LEFT)
 
     def __init__(self, master=None):
-	Frame.__init__(self, master)
-	Pack.config(self)
-	self.createWidgets()
+        Frame.__init__(self, master)
+        Pack.config(self)
+        self.createWidgets()
 
 test = Test()