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/Lib/webbrowser.py b/Lib/webbrowser.py
index 0d5f44f..28e6bde 100644
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -625,7 +625,7 @@
     -t: open new tab""" % sys.argv[0]
     try:
         opts, args = getopt.getopt(sys.argv[1:], 'ntd')
-    except getopt.error, msg:
+    except getopt.error as msg:
         print >>sys.stderr, msg
         print >>sys.stderr, usage
         sys.exit(1)