I posted a blind fix which i didn't get a chance to test yet, but hopefully upstream CI would give us a hint whether it works as expected.
*** Bug 1652479 has been marked as a duplicate of this bug. ***
Verified with python2-tripleo-common-9.4.1-0.20181012010884.el7ost.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. https://access.redhat.com/errata/RHEA-2019:0045