MarsSeed [1] filed a deletion request for ccx2 [2]: Unused Python2 based CLI app, last released in 2009. [a] 4 votes, and only a few comments from or before 2017. Latest commit from git master branch works with Python3. But seems no one is interested in maintaining this package (last updated in 2020). [a]: https://github.com/pflouret/ccx2/tags [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ccx2/