Whitespace normalization, via reindent.py.
diff --git a/Demo/tkinter/matt/radiobutton-simple.py b/Demo/tkinter/matt/radiobutton-simple.py
index 65dfe52..e9d6afe 100644
--- a/Demo/tkinter/matt/radiobutton-simple.py
+++ b/Demo/tkinter/matt/radiobutton-simple.py
@@ -1,10 +1,10 @@
 from Tkinter import *
 
-# This is a demo program that shows how to 
-# create radio buttons and how to get other widgets to 
-# share the information in a radio button. 
-# 
-# There are other ways of doing this too, but 
+# This is a demo program that shows how to
+# create radio buttons and how to get other widgets to
+# share the information in a radio button.
+#
+# There are other ways of doing this too, but
 # the "variable" option of radiobuttons seems to be the easiest.
 #
 # note how each button has a value it sets the variable to as it gets hit.
@@ -12,50 +12,50 @@
 
 class Test(Frame):
     def printit(self):
-	print "hi"
+        print "hi"
 
     def createWidgets(self):
 
-	self.flavor = StringVar()
-	self.flavor.set("chocolate")
+        self.flavor = StringVar()
+        self.flavor.set("chocolate")
 
-	self.radioframe = Frame(self)
-	self.radioframe.pack()
+        self.radioframe = Frame(self)
+        self.radioframe.pack()
 
-	# 'text' is the label
-	# 'variable' is the name of the variable that all these radio buttons share
-	# 'value' is the value this variable takes on when the radio button is selected
-	# 'anchor' makes the text appear left justified (default is centered. ick)
-	self.radioframe.choc = Radiobutton(
-	    self.radioframe, text="Chocolate Flavor", 
-	    variable=self.flavor, value="chocolate",
-	    anchor=W)
-	self.radioframe.choc.pack(fill=X)
+        # 'text' is the label
+        # 'variable' is the name of the variable that all these radio buttons share
+        # 'value' is the value this variable takes on when the radio button is selected
+        # 'anchor' makes the text appear left justified (default is centered. ick)
+        self.radioframe.choc = Radiobutton(
+            self.radioframe, text="Chocolate Flavor",
+            variable=self.flavor, value="chocolate",
+            anchor=W)
+        self.radioframe.choc.pack(fill=X)
 
-	self.radioframe.straw = Radiobutton(
-	    self.radioframe, text="Strawberry Flavor", 
-	    variable=self.flavor, value="strawberry",
-	    anchor=W)
-	self.radioframe.straw.pack(fill=X)
+        self.radioframe.straw = Radiobutton(
+            self.radioframe, text="Strawberry Flavor",
+            variable=self.flavor, value="strawberry",
+            anchor=W)
+        self.radioframe.straw.pack(fill=X)
 
-	self.radioframe.lemon = Radiobutton(
-	    self.radioframe, text="Lemon Flavor", 
-	    variable=self.flavor, value="lemon", 
-	    anchor=W)
-	self.radioframe.lemon.pack(fill=X)
-	
-	# this is a text entry that lets you type in the name of a flavor too.
-	self.entry = Entry(self, textvariable=self.flavor)
-	self.entry.pack(fill=X)
-	self.QUIT = Button(self, text='QUIT', foreground='red',
-			   command=self.quit)
-	self.QUIT.pack(side=BOTTOM, fill=BOTH)
+        self.radioframe.lemon = Radiobutton(
+            self.radioframe, text="Lemon Flavor",
+            variable=self.flavor, value="lemon",
+            anchor=W)
+        self.radioframe.lemon.pack(fill=X)
+
+        # this is a text entry that lets you type in the name of a flavor too.
+        self.entry = Entry(self, textvariable=self.flavor)
+        self.entry.pack(fill=X)
+        self.QUIT = Button(self, text='QUIT', foreground='red',
+                           command=self.quit)
+        self.QUIT.pack(side=BOTTOM, fill=BOTH)
 
 
     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()