logging.warning works even in 2.6, so it is safe to replace it everywhere.
logging.warning
PR #2136
Metadata Update from @tkopecek: - Custom field Size adjusted to None
Commit b3feacaf fixes this issue
Commit 0132313f fixes this issue
Metadata Update from @tkopecek: - Issue set to the milestone: 1.21.1 (was: 1.22)
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/2135
Please continue any further discussion there.