MarsSeed [1] filed a deletion request for python-backports-abc [2]: This backport module is not needed on Python 3.5+.
Its only dependent on AUR is discontinued and has been broken since 2019, and is pending deletion (PRQ#45781). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python-backports-abc/
