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/plat-mac/terminalcommand.py b/Lib/plat-mac/terminalcommand.py
index 292f09c..a2f008c 100644
--- a/Lib/plat-mac/terminalcommand.py
+++ b/Lib/plat-mac/terminalcommand.py
@@ -35,7 +35,7 @@
 
     try:
         theEvent.AESend(SEND_MODE, kAENormalPriority, kAEDefaultTimeout)
-    except AE.Error, why:
+    except AE.Error as why:
         if why[0] != -600:  # Terminal.app not yet running
             raise
         os.system(START_TERMINAL)