SharlatanPython team is calling for community testers!
https://issues.guix.gnu.org/79073
guix time-machine --branch=python-team -- build <your-lovely-package>
#Guix is on the way to #pyproject for #Python builds.
Last bit to unwind the rainbow of #docutils
https://codeberg.org/guix/guix/issues/2944
Common bootstrapping dilemma 
Not resolved since 2022...
https://github.com/pydata/pydata-sphinx-theme/issues/628
