I built python-oslo-rootwrap-1.0.0-2.el6ost RPM with the backported fix.
Code verified using python-oslo-rootwrap-1.0.0-2.el6ost on rhel-6
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. https://rhn.redhat.com/errata/RHBA-2017-0164.html