MarsSeed [1] filed a deletion request for python-argparse [2]: This legacy module should not have been uploaded to AUR. It is very old and discontinued as a separate module. Instead, the maintained code is part of Python stdlib. If this module is installed, it will break many Python packages. AUR has a compatibility shim package, python-argparse-shim, that virtually provides 'python-argparse' for those Python packages whose setup metadata explicitly defines a requirement for the separate argparse module. (And that package is also just a temporary drop-in compatibility solution that is only needed until the dependent packages' maintainers implement a simple patch to eliminate the deprecated requirement.) [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python-argparse/