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/Tools/scripts/cvsfiles.py b/Tools/scripts/cvsfiles.py
index 53b4294..eac5945 100755
--- a/Tools/scripts/cvsfiles.py
+++ b/Tools/scripts/cvsfiles.py
@@ -20,7 +20,7 @@
 def main():
     try:
         opts, args = getopt.getopt(sys.argv[1:], "n:")
-    except getopt.error, msg:
+    except getopt.error as msg:
         print msg
         print __doc__,
         return 1