This works fine on rawhide and fedora 25 using 1.15.3.
This is due to a python re module issue unique to RHEL.
Upstream fix: https://github.com/projectatomic/atomic/pull/891
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.