(from #32713 comment:11)

Users need the wheel of sage-conf when creating venvs. And we need the wheels of packages sage-conf and sage-setup when testing distributions using ./sage -sh -c '(cd pkgs/sagemath-standard && tox -v -v -v -e python-sagewheels-nopypi)' and similar - as documented in the developer's guide as of #32899.

Until editable wheels (PEP 660) are implemented in setuptools (or we switch the distributions to another build system that implements PEP 660 such as flit), we revert the change made in #32713 for these packages.

But we keep sage-docbuild editable.

CC: @tobiasdiez @kwankyu

Component: build

Branch/Commit: public/build/trac_editable @ 2a30209

Issue created by migration from https://trac.sagemath.org/ticket/32913