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/test/test_re.py b/Lib/test/test_re.py
index 02f4dca..dafd82e 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -633,7 +633,7 @@
         else:
             try:
                 result = obj.search(s)
-            except re.error, msg:
+            except re.error as msg:
                 print '=== Unexpected exception', t, repr(msg)
             if outcome == SYNTAX_ERROR:
                 # This should have been a syntax error; forget it.