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

Lib/test/test_os.py

@@ -179,7 +179,7 @@ class StatAttributeTests(unittest.TestCase):
         import statvfs
         try:
             result = os.statvfs(self.fname)
-        except OSError, e:
+        except OSError as e:
             # On AtheOS, glibc always returns ENOSYS
             import errno
             if e.errno == errno.ENOSYS: