Even hub seems to be convertible to python3 now.
PR #906
Fixed PR #921
Metadata Update from @tkopecek: - Issue set to the milestone: 1.17
Commit 2460a001 fixes this issue
Commit 715b40d6 fixes this issue
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/905
Please continue any further discussion there.