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/Demo/comparisons/regextest.py b/Demo/comparisons/regextest.py
index b27d741..1fab052 100755
--- a/Demo/comparisons/regextest.py
+++ b/Demo/comparisons/regextest.py
@@ -28,7 +28,7 @@
for file in sys.argv[1:]:
try:
fp = open(file, 'r')
- except IOError, msg:
+ except IOError as msg:
print "%s: %s" % (file, msg)
continue
lineno = 0