MarsSeed [1] filed a deletion request for openrtm-aist-python [2]: Abandoned package from 2015 related to robotics. All of its dependents are unmaintained since same year and are broken.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/openrtm-aist-python/
