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

Lib/sgmllib.py

@@ -530,7 +530,7 @@ def test(args = None):
     else:
         try:
             f = open(file, 'r')
-        except IOError, msg:
+        except IOError as msg:
             print file, ":", msg
             sys.exit(1)