Right now ovirt-host-deploy is packaged only for Python 2. We need to provide python2 and python 3 packages as done on otopi and ovirt-setup-lib.
# dnf install ovirt-host-deploy Installing: python2-ovirt-host-deploy Installing dependencies: ovirt-host-deploy-common # dnf install python3-ovirt-host-deploy Installing: python3-ovirt-host-deploy Installing dependencies: ovirt-host-deploy-common verified on 1.8.0-0.0.master.20181105135116.gite6c84fc.fc28 shipped in 4.3.0 alpha release.