DWH setup should require python2/3-ovirt-setup-lib according to the OS, and if needed code change to fit python3 syntax
This bugzilla is included in oVirt 4.3.0 release, published on February 4th 2019. Since the problem described in this bug report should be resolved in oVirt 4.3.0 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.