> That's different behaviour, because you can no longer pass arg=None. The > fix isn't to change the behaviour of the code. So use a sentinel... --Dan -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 538 bytes Desc: OpenPGP digital signature URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20140807/f816d927/attachment.pgp>