Bug#1040850: python-coverage autopkg test fail with setuptools 68

[Matthias Klose]

Package: src:python-coverage
Version: 6.5.0+dfsg1-2
Severity: serious
Tags: sid trixie
see
https://ci.debian.net/data/autopkgtest/testing/amd64/p/python-coverage/35654868/log.gz

[...]
133s autopkgtest [23:40:57]: @@@@@@@@@@@@@@@@@@@@ summary
133s smoke-python3        FAIL stderr: 
/tmp/autopkgtest-lxc.4ecm41xc/downtmp/build.Kvx/src/debian/tests/smoke_test.py:24: 
DeprecationWarning: pkg_resources is deprecated as an API. See 
https://setuptools.pypa.io/en/latest/pkg_resources.html