MarsSeed [1] filed a deletion request for rdiff-backup-devel [2]: Unmaintained devel version package from 2015, still on Python 2. Not needed, as there is an up-to-date AUR/rdiff-backup which works. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/rdiff-backup-devel/