MarsSeed [1] filed a deletion request for python2-slowaes [2]: This library is EOL since 2010 [a], and has many unresolved, severe, use-case-breaking issues. [b] [a]: https://pypi.org/project/slowaes [b]: https://code.google.com/archive/p/slowaes/issues [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python2-slowaes/