Update packaging to 21.2

[pyup-bot]

This PR updates packaging from 20.4 to 21.2.

Changelog

21.2

~~~~~~~~~~~~~~~~~

* Update documentation entry for 21.1.

21.1

~~~~~~~~~~~~~~~~~

* Update pin to pyparsing to exclude 3.0.0.

21.0

~~~~~~~~~~~~~~~~~

* PEP 656: musllinux support (:issue:`411`)
* Drop support for Python 2.7, Python 3.4 and Python 3.5.
* Replace distutils usage with sysconfig (:issue:`396`)
* Add support for zip files in ``parse_sdist_filename`` (:issue:`429`)
* Use cached ``_hash`` attribute to short-circuit tag equality comparisons (:issue:`417`)
* Specify the default value for the ``specifier`` argument to ``SpecifierSet`` (:issue:`437`)
* Proper keyword-only "warn" argument in packaging.tags (:issue:`403`)
* Correctly remove prerelease suffixes from ~= check (:issue:`366`)
* Fix type hints for ``Version.post`` and ``Version.dev`` (:issue:`393`)
* Use typing alias ``UnparsedVersion`` (:issue:`398`)
* Improve type inference for ``packaging.specifiers.filter()`` (:issue:`430`)
* Tighten the return type of ``canonicalize_version()`` (:issue:`402`)

20.9

~~~~~~~~~~~~~~~~~

* Run `isort <https://pypi.org/project/isort/>`_ over the code base (:issue:`377`)
* Add support for the ``macosx_10_*_universal2`` platform tags (:issue:`379`)
* Introduce ``packaging.utils.parse_wheel_filename()`` and ``parse_sdist_filename()``
(:issue:`387` and :issue:`389`)

20.8

~~~~~~~~~~~~~~~~~

* Revert back to setuptools for compatibility purposes for some Linux distros (:issue:`363`)
* Do not insert an underscore in wheel tags when the interpreter version number
is more than 2 digits (:issue:`372`)

20.7

~~~~~~~~~~~~~~~~~

No unreleased changes.

20.6

~~~~~~~~~~~~~~~~~

.. note:: This release was subsequently yanked, and these changes were included in 20.7.

* Fix flit configuration, to include LICENSE files (:issue:`357`)
* Make `intel` a recognized CPU architecture for the `universal` macOS platform tag (:issue:`361`)
* Add some missing type hints to `packaging.requirements` (issue:`350`)

20.5

~~~~~~~~~~~~~~~~~

* Officially support Python 3.9 (:issue:`343`)
* Deprecate the ``LegacyVersion`` and ``LegacySpecifier`` classes (:issue:`321`)
* Handle ``OSError`` on non-dynamic executables when attempting to resolve
the glibc version string.

Links

• PyPI: https://pypi.org/project/packaging
• Changelog: https://pyup.io/changelogs/packaging/
• Repo: https://github.com/pypa/packaging

[codecov-commenter]

Codecov Report

Merging #490 (b6b885f) into master (247e7b4) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #490   +/-   ##
======================================
  Coverage    56.7%   56.7%           
======================================
  Files         143     143           
  Lines       10641   10641           
======================================
  Hits         6039    6039           
  Misses       4602    4602           

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[pyup-bot]

Closing this in favor of #495