- update to 23.3.2:
* Fix a bug in extras handling for link requirements (`#12372
* Fix mercurial revision "parse error": use ``--rev={ref}``
instead of ``-r={ref}`` (`#12373

- Finally drop csv23, it has been removed upstream since 2021.
``setup.py``.
- Use libalternatives instead of update-alternatives.
* Document that certain removals can be fast tracked.
* use %python_clone and %python_install_alternative for sip and
* Make the setup.py install deprecation warning less
noisy. We warn only when setup.py install succeeded and
setup.py bdist_wheel failed, as situations where both
fails are most probably irrelevant to this deprecation.
- 20.2.2
* Only attempt to use the keyring once and if it fails, don’t try
again. This prevents spamming users with several keyring unlock
* Fix regression that distributions in system site-packages are
not correctly found when a virtual environment is configured
* Disable caching for range requests, which causes corrupted
wheels when pip tries to obtain metadata using the feature
* Always use UTF-8 to read pyvenv.cfg to match the built-in venv.
* 2020 Resolver: Correctly handle marker evaluation in
constraints and exclude them if their markers do not match the
* Correctly find already-installed distributions with dot (.) in
* Trace a better error message on installation failure due to
* Fix SVN version detection for alternative SVN distributions.
* New resolver: Correctly include the base package when specified
* Use UTF-8 to handle ZIP archive entries on Python 2 according
to PEP 427, so non-ASCII paths can be resolved as expected.