Whitespace normalization, via reindent.py.
diff --git a/Mac/scripts/zappycfiles.py b/Mac/scripts/zappycfiles.py
index 0349220..a8193c1 100644
--- a/Mac/scripts/zappycfiles.py
+++ b/Mac/scripts/zappycfiles.py
@@ -8,30 +8,29 @@
 doit = 1
 
 def main():
-	if not sys.argv[1:]:
-		if os.name == 'mac':
-			import EasyDialogs
-			dir = EasyDialogs.AskFolder(message='Directory to zap pyc files in')
-			if not dir:
-				sys.exit(0)
-			zappyc(dir)
-		else:
-			print 'Usage: zappyc dir ...'
-			sys.exit(1)
-	for dir in sys.argv[1:]:
-		zappyc(dir)
+    if not sys.argv[1:]:
+        if os.name == 'mac':
+            import EasyDialogs
+            dir = EasyDialogs.AskFolder(message='Directory to zap pyc files in')
+            if not dir:
+                sys.exit(0)
+            zappyc(dir)
+        else:
+            print 'Usage: zappyc dir ...'
+            sys.exit(1)
+    for dir in sys.argv[1:]:
+        zappyc(dir)
 
 def zappyc(dir):
-	os.path.walk(dir, walker, None)
-	
+    os.path.walk(dir, walker, None)
+
 def walker(dummy, top, names):
-	for name in names:
-		if name[-4:] in ('.pyc', '.pyo'):
-			path = os.path.join(top, name)
-			print 'Zapping', path
-			if doit:
-				os.unlink(path)
-				
+    for name in names:
+        if name[-4:] in ('.pyc', '.pyo'):
+            path = os.path.join(top, name)
+            print 'Zapping', path
+            if doit:
+                os.unlink(path)
+
 if __name__ == '__main__':
-	main()
-	
+    main()