[Debian-astro-maintainers] Bug#1000427: pyregion: FTBFS with setuptools >= 58

[Stefano Rivera]

Source: pyregion
Version: 2.1.1-1
Severity: serious
Tags: upstream
Justification: FTBFS

pyregion fails to build with setuptools >= 58, which dropped use_2to3
support.:

/usr/lib/python3/dist-packages/setuptools/dist.py:294: DistDeprecationWarning: use_2to3 is ignored.
  warnings.warn(f"{attr} is ignored.", DistDeprecationWarning)

See the full log:
https://buildd.debian.org/status/fetch.php?pkg=pyregion&arch=amd64&ver=2.1.1-1%2Bb1&stamp=1637589214&raw=0

SR