This is broken, as reported on
https://groups.google.com/d/msg/sage-devel/KA8tI5GsFX4/1KIV2iuIBwAJ

Depends on #30865

CC: @saliola @mkoeppe @orlitzky @slel @vbraun

Component: distribution

Keywords: download

Branch/Commit: u/mkoeppe/fix_make_download @ 039fed7

Reviewer: Dima Pasechnik

Issue created by migration from https://trac.sagemath.org/ticket/29896