542639f95a
> File "/nix/store/4yshsw9xkwfw8ybn7xsr9kg2a5dynawd-python3-3.10.12-env/lib/python3.10/site-packages/authheaders/dmarc_lookup.py", line 22, in <module>
> from pkg_resources import resource_filename # Part of setuptools
This was previously propagated from gunicorn, but gunicorn no longer
depends on setuptools. Fixes the Mailman NixOS test.
Fixes: 2b8a7515d8 ("python3.pkgs.gunicorn: replace setuptools with packaging dependency")