Bump black from 21.8b0 to 21.12b0

[dependabot[bot]]

Bumps black from 21.8b0 to 21.12b0.

Release notes

Sourced from black's releases.

21.12b0

Black

• Fix determination of f-string expression spans (#2654)
• Fix bad formatting of error messages about EOF in multi-line statements (#2343)
• Functions and classes in blocks now have more consistent surrounding spacing (#2472)

Jupyter Notebook support

• Cell magics are now only processed if they are known Python cell magics. Earlier, all cell magics were tokenized, leading to possible indentation errors e.g. with %%writefile. (#2630)
• Fix assignment to environment variables in Jupyter Notebooks (#2642)

Python 3.10 support

• Point users to using --target-version py310 if we detect 3.10-only syntax (#2668)
• Fix match statements with open sequence subjects, like match a, b: or match a, *b: (#2639) (#2659)
• Fix match/case statements that contain match/case soft keywords multiple times, like match re.match() (#2661)
• Fix case statements with an inline body (#2665)
• Fix styling of starred expressions inside match subject (#2667)
• Fix parser error location on invalid syntax in a match statement (#2649)
• Fix Python 3.10 support on platforms without ProcessPoolExecutor (#2631)
• Improve parsing performance on code that uses match under --target-version py310 up to ~50% (#2670)

Packaging

• Remove dependency on regex (#2644) (#2663)

---

Thank you!

• @​isidentical for the polishing up 3.10 syntax support (which they contributed in the first place!)
• @​MarcoGorelli for their ever-continuing work on Black's jupyter support
• @​jalaziz for cleaning up our Pyinstaller CD workflow
• @​hauntsaninja for helping us drop the regex dependency

And also congrats to first contributors!

• @​MatthewScholefield made their first contribution in psf/black#2631
• @​AshIsbitt made their first contribution in psf/black#2632
• @​kalbasit made their first contribution in psf/black#2638
• @​danieleades made their first contribution in psf/black#2653
• @​danielsparing made their first contribution in psf/black#2630
• @​tanvimoharir made their first contribution in psf/black#2343

21.11b1

Black

• Bumped regex version minimum to 2021.4.4 to fix Pattern class usage (#2621)

... (truncated)

Changelog

Sourced from black's changelog.

21.12b0

Black

• Fix determination of f-string expression spans (#2654)
• Fix bad formatting of error messages about EOF in multi-line statements (#2343)
• Functions and classes in blocks now have more consistent surrounding spacing (#2472)

Jupyter Notebook support

• Cell magics are now only processed if they are known Python cell magics. Earlier, all cell magics were tokenized, leading to possible indentation errors e.g. with %%writefile. (#2630)
• Fix assignment to environment variables in Jupyter Notebooks (#2642)

Python 3.10 support

• Point users to using --target-version py310 if we detect 3.10-only syntax (#2668)
• Fix match statements with open sequence subjects, like match a, b: or match a, *b: (#2639) (#2659)
• Fix match/case statements that contain match/case soft keywords multiple times, like match re.match() (#2661)
• Fix case statements with an inline body (#2665)
• Fix styling of starred expressions inside match subject (#2667)
• Fix parser error location on invalid syntax in a match statement (#2649)
• Fix Python 3.10 support on platforms without ProcessPoolExecutor (#2631)
• Improve parsing performance on code that uses match under --target-version py310 up to ~50% (#2670)

Packaging

• Remove dependency on regex (#2644) (#2663)

21.11b1

Black

• Bumped regex version minimum to 2021.4.4 to fix Pattern class usage (#2621)

21.11b0

Black

• Warn about Python 2 deprecation in more cases by improving Python 2 only syntax detection (#2592)
• Add experimental PyPy support (#2559)
• Add partial support for the match statement. As it's experimental, it's only enabled when --target-version py310 is explicitly specified (#2586)
• Add support for parenthesized with (#2586)
• Declare support for Python 3.10 for running Black (#2562)

... (truncated)

Commits

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[dependabot[bot]]

Looks like black is up-to-date now, so this is no longer needed.