New comment by tornaria on void-packages repository

https://github.com/void-linux/void-packages/pull/34030#issuecomment-975637205

Comment:
The failures in `cmdline.py` are because we installed pytest... If we don't, then this failures go away.

The second one should go away after https://trac.sagemath.org/ticket/32892. The first one, I don't know.

We could workaround it by not installing pytest in post_build()...