MarsSeed [1] filed a deletion request for python-proboscis [2]: Discontinued Python2/Python3 testing framework addon to Python's built-in unittest. Last released in 2013. [a] The official source code repository that the PyPI page links to has been deleted (404). [b] Nothing depends on this package, safe to delete. [a]: https://pypi.python.org/pypi/proboscis/ [b]: https://github.com/rackspace/python-proboscis [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python-proboscis/