Update pycodestyle to 2.9.1

[pyup-bot]

This PR updates pycodestyle from 2.6.0 to 2.9.1.

Changelog

2.9.1

------------------

Changes:

* E275: fix false positive for yield expressions.

2.9.0

------------------

Changes:

* E221, E222, E223, E224: add support for ``:=`` operator.  PR 1032.
* Drop python 2.7 / 3.5.
* E262: consider non-breaking spaces (``\xa0``) as whitespace.  PR 1035.
* Improve performance of ``_is_binary_operator``.  PR 1052.
* E275: requires whitespace around keywords.  PR 1063.
* Add support for python 3.11. PR 1070.

2.8.0

------------------

Changes:

* Drop python 3.4.  PR 982.
* E712: fix false negative with multiple comparisons.  PR 987.
* E211: fix false positives with ``match``.  PR 989.
* E772: improve performance of bare except check.  PR 992.
* Backport tokenize performance improvement from python 3.10.  PR 993.
* E225: fix for lambdas containing positional-only args.  PR 1012.
* Remove ``indent_size_str`` "setting".  PR 995.
* E402: allow ``__all__`` to be typed.  PR 1019.
* E225: fix false positives for ``*`` in ``case``.  PR 1003.
* E201: detect tabs as whitespace.  PR 1015.

2.7.0

------------------

Changes:

* Fix physical checks (such as W191) at end of file.  PR 961.
* Add ``--indent-size`` option (defaulting to ``4``).  PR 970.
* W605: fix escaped crlf false positive on windows.  PR 976.

Links

• PyPI: https://pypi.org/project/pycodestyle
• Changelog: https://pyup.io/changelogs/pycodestyle/
• Homepage: https://pycodestyle.pycqa.org/

[pyup-bot]

Closing this in favor of #228