in cli/koji_cli/commands.py line 976: ... print(_("Could not get a repo for tag: %(name)s") % opts['tag_name']) ... The opts['tag_name'] is a string not a dictionary. The %(name) can't be mapped.
PR #684
Commit ce1bf266 fixes this issue
Commit 699ba58e fixes this issue
Metadata Update from @mikem: - Issue set to the milestone: 1.15
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/682
Please continue any further discussion there.