From upstream stable patch for the benefit of glance's API
verified: # rpm -qa |grep python-iso8601 python-iso8601-0.1.8-1.el6ost.noarch
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHEA-2013-1859.html