SF patch 1631942 by Collin Winter:
(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block
diff --git a/Mac/Demo/applescript/makedisk.py b/Mac/Demo/applescript/makedisk.py
index 91210ee..013331c 100644
--- a/Mac/Demo/applescript/makedisk.py
+++ b/Mac/Demo/applescript/makedisk.py
@@ -7,7 +7,7 @@
 filespec = macfs.FSSpec('my disk image.img')
 try:
     objref = talker.create('my disk image', saving_as=filespec, leave_image_mounted=1)
-except Disk_Copy.Error, arg:
+except Disk_Copy.Error as arg:
     print "ERROR: my disk image:", arg
 else:
     print 'objref=', objref