MarsSeed [1] filed a deletion request for volctl2 [2]: Cannot be build because of a misissing Python2 dependency. Project last updated in 2013. Its GitHub repo page has been archived (inactivated). Meaning it's a dead project and won't see any update to work with the updated Python modules.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/volctl2/
