Mineo [1] filed a deletion request for flake8-pep257 [2]: * https://github.com/Robpol86/flake8-pydocstyle has been abandoned * the dependency `pep257` is no longer available [1] https://aur.archlinux.org/account/Mineo/ [2] https://aur.archlinux.org/pkgbase/flake8-pep257/