Updated openstack/openstack
Project: openstack/swift  f63b58f5b7819073fb086a4415d6ef4ad2bf4fd1
null
Fix deprecation warning.

BaseException.message is deprecated; if you have an exception of type
Exception (or subclass thereof), then "str(ex)" is the preferred way
to get the message.

Change-Id: I5b4acf88de538c1ef0f2db4fefaa92699937cd50