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Build(deps-dev): Bump black from 25.12.0 to 26.3.1#255

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Build(deps-dev): Bump black from 25.12.0 to 26.3.1#255
llucax merged 1 commit into
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dependabot/pip/black-26.3.1

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Bumps black from 25.12.0 to 26.3.1.

Release notes

Sourced from black's releases.

26.3.1

Stable style

  • Prevent Jupyter notebook magic masking collisions from corrupting cells by using exact-length placeholders for short magics and aborting if a placeholder can no longer be unmasked safely (#5038)

Configuration

  • Always hash cache filename components derived from --python-cell-magics so custom magic names cannot affect cache paths (#5038)

Blackd

  • Disable browser-originated requests by default, add configurable origin allowlisting and request body limits, and bound executor submissions to improve backpressure (#5039)

26.3.0

Stable style

  • Don't double-decode input, causing non-UTF-8 files to be corrupted (#4964)
  • Fix crash on standalone comment in lambda default arguments (#4993)
  • Preserve parentheses when # type: ignore comments would be merged with other comments on the same line, preventing AST equivalence failures (#4888)

Preview style

  • Fix bug where if guards in case blocks were incorrectly split when the pattern had a trailing comma (#4884)
  • Fix string_processing crashing on unassigned long string literals with trailing commas (one-item tuples) (#4929)
  • Simplify implementation of the power operator "hugging" logic (#4918)

Packaging

  • Fix shutdown errors in PyInstaller builds on macOS by disabling multiprocessing in frozen environments (#4930)

Performance

  • Introduce winloop for windows as an alternative to uvloop (#4996)
  • Remove deprecated function uvloop.install() in favor of uvloop.new_event_loop() (#4996)
  • Rename maybe_install_uvloop function to maybe_use_uvloop to simplify loop installation and creation of either a uvloop/winloop evenloop or default eventloop (#4996)

Output

... (truncated)

Changelog

Sourced from black's changelog.

Version 26.3.1

Stable style

  • Prevent Jupyter notebook magic masking collisions from corrupting cells by using exact-length placeholders for short magics and aborting if a placeholder can no longer be unmasked safely (#5038)

Configuration

  • Always hash cache filename components derived from --python-cell-magics so custom magic names cannot affect cache paths (#5038)

Blackd

  • Disable browser-originated requests by default, add configurable origin allowlisting and request body limits, and bound executor submissions to improve backpressure (#5039)

Version 26.3.0

Stable style

  • Don't double-decode input, causing non-UTF-8 files to be corrupted (#4964)
  • Fix crash on standalone comment in lambda default arguments (#4993)
  • Preserve parentheses when # type: ignore comments would be merged with other comments on the same line, preventing AST equivalence failures (#4888)

Preview style

  • Fix bug where if guards in case blocks were incorrectly split when the pattern had a trailing comma (#4884)
  • Fix string_processing crashing on unassigned long string literals with trailing commas (one-item tuples) (#4929)
  • Simplify implementation of the power operator "hugging" logic (#4918)

Packaging

  • Fix shutdown errors in PyInstaller builds on macOS by disabling multiprocessing in frozen environments (#4930)

Performance

  • Introduce winloop for windows as an alternative to uvloop (#4996)
  • Remove deprecated function uvloop.install() in favor of uvloop.new_event_loop() (#4996)
  • Rename maybe_install_uvloop function to maybe_use_uvloop to simplify loop installation and creation of either a uvloop/winloop eventloop or default eventloop (#4996)

... (truncated)

Commits

@dependabot dependabot Bot added part:tooling Affects the development tooling (CI, deployment, dependency management, etc.) type:tech-debt Improves the project without visible changes for users labels Mar 27, 2026
@dependabot dependabot Bot requested a review from a team as a code owner March 27, 2026 11:42
@dependabot dependabot Bot requested review from ela-kotulska-frequenz and removed request for a team March 27, 2026 11:42
@dependabot dependabot Bot added part:tooling Affects the development tooling (CI, deployment, dependency management, etc.) type:tech-debt Improves the project without visible changes for users labels Mar 27, 2026
@github-actions github-actions Bot added the auto-merged Auto-approved Dependabot PRs label Mar 27, 2026
github-actions[bot]
github-actions Bot previously approved these changes Mar 27, 2026
View reviewed changes
@github-actions github-actions Bot enabled auto-merge March 27, 2026 11:46
@github-actions github-actions Bot added this pull request to the merge queue Mar 27, 2026
@github-actions github-actions Bot added the part:dispatcher Affects the high-level dispatcher interface label Mar 27, 2026
@github-merge-queue github-merge-queue Bot removed this pull request from the merge queue due to a conflict with the base branch Mar 27, 2026
@dependabot
Bump black from 25.12.0 to 26.3.1
c667171 
Bumps [black](https://github.com/psf/black) from 25.12.0 to 26.3.1.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.12.0...26.3.1)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 26.3.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot changed the title Bump black from 25.12.0 to 26.3.1 Build(deps-dev): Bump black from 25.12.0 to 26.3.1 Mar 30, 2026
@dependabot dependabot Bot force-pushed the dependabot/pip/black-26.3.1 branch from 33aadf5 to c667171 Compare March 30, 2026 14:07
@github-actions github-actions Bot enabled auto-merge March 30, 2026 14:08
@github-actions github-actions Bot added this pull request to the merge queue Mar 30, 2026
@github-merge-queue github-merge-queue Bot removed this pull request from the merge queue due to no response for status checks Mar 30, 2026
@llucax llucax added this pull request to the merge queue Apr 2, 2026
github-merge-queue Bot pushed a commit that referenced this pull request Apr 2, 2026
@llucax
Build(deps-dev): Bump black from 25.12.0 to 26.3.1 (#255)
b9e0ed8 
Bumps [black](https://github.com/psf/black) from 25.12.0 to 26.3.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/psf/black/releases">black's
releases</a>.</em></p>
<blockquote>
<h2>26.3.1</h2>
<h3>Stable style</h3>
<ul>
<li>Prevent Jupyter notebook magic masking collisions from corrupting
cells by using
exact-length placeholders for short magics and aborting if a placeholder
can no longer
be unmasked safely (<a
href="https://redirect.github.com/psf/black/issues/5038">#5038</a>)</li>
</ul>
<h3>Configuration</h3>
<ul>
<li>Always hash cache filename components derived from
<code>--python-cell-magics</code> so custom
magic names cannot affect cache paths (<a
href="https://redirect.github.com/psf/black/issues/5038">#5038</a>)</li>
</ul>
<h3><em>Blackd</em></h3>
<ul>
<li>Disable browser-originated requests by default, add configurable
origin allowlisting
and request body limits, and bound executor submissions to improve
backpressure
(<a
href="https://redirect.github.com/psf/black/issues/5039">#5039</a>)</li>
</ul>
<h2>26.3.0</h2>
<h3>Stable style</h3>
<ul>
<li>Don't double-decode input, causing non-UTF-8 files to be corrupted
(<a
href="https://redirect.github.com/psf/black/issues/4964">#4964</a>)</li>
<li>Fix crash on standalone comment in lambda default arguments (<a
href="https://redirect.github.com/psf/black/issues/4993">#4993</a>)</li>
<li>Preserve parentheses when <code># type: ignore</code> comments would
be merged with other
comments on the same line, preventing AST equivalence failures (<a
href="https://redirect.github.com/psf/black/issues/4888">#4888</a>)</li>
</ul>
<h3>Preview style</h3>
<ul>
<li>Fix bug where <code>if</code> guards in <code>case</code> blocks
were incorrectly split when the pattern had
a trailing comma (<a
href="https://redirect.github.com/psf/black/issues/4884">#4884</a>)</li>
<li>Fix <code>string_processing</code> crashing on unassigned long
string literals with trailing
commas (one-item tuples) (<a
href="https://redirect.github.com/psf/black/issues/4929">#4929</a>)</li>
<li>Simplify implementation of the power operator &quot;hugging&quot;
logic (<a
href="https://redirect.github.com/psf/black/issues/4918">#4918</a>)</li>
</ul>
<h3>Packaging</h3>
<ul>
<li>Fix shutdown errors in PyInstaller builds on macOS by disabling
multiprocessing in
frozen environments (<a
href="https://redirect.github.com/psf/black/issues/4930">#4930</a>)</li>
</ul>
<h3>Performance</h3>
<ul>
<li>Introduce winloop for windows as an alternative to uvloop (<a
href="https://redirect.github.com/psf/black/issues/4996">#4996</a>)</li>
<li>Remove deprecated function <code>uvloop.install()</code> in favor of
<code>uvloop.new_event_loop()</code>
(<a
href="https://redirect.github.com/psf/black/issues/4996">#4996</a>)</li>
<li>Rename <code>maybe_install_uvloop</code> function to
<code>maybe_use_uvloop</code> to simplify loop
installation and creation of either a uvloop/winloop evenloop or default
eventloop
(<a
href="https://redirect.github.com/psf/black/issues/4996">#4996</a>)</li>
</ul>
<h3>Output</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/psf/black/blob/main/CHANGES.md">black's
changelog</a>.</em></p>
<blockquote>
<h2>Version 26.3.1</h2>
<h3>Stable style</h3>
<ul>
<li>Prevent Jupyter notebook magic masking collisions from corrupting
cells by using
exact-length placeholders for short magics and aborting if a placeholder
can no longer
be unmasked safely (<a
href="https://redirect.github.com/psf/black/issues/5038">#5038</a>)</li>
</ul>
<h3>Configuration</h3>
<ul>
<li>Always hash cache filename components derived from
<code>--python-cell-magics</code> so custom
magic names cannot affect cache paths (<a
href="https://redirect.github.com/psf/black/issues/5038">#5038</a>)</li>
</ul>
<h3><em>Blackd</em></h3>
<ul>
<li>Disable browser-originated requests by default, add configurable
origin allowlisting
and request body limits, and bound executor submissions to improve
backpressure
(<a
href="https://redirect.github.com/psf/black/issues/5039">#5039</a>)</li>
</ul>
<h2>Version 26.3.0</h2>
<h3>Stable style</h3>
<ul>
<li>Don't double-decode input, causing non-UTF-8 files to be corrupted
(<a
href="https://redirect.github.com/psf/black/issues/4964">#4964</a>)</li>
<li>Fix crash on standalone comment in lambda default arguments (<a
href="https://redirect.github.com/psf/black/issues/4993">#4993</a>)</li>
<li>Preserve parentheses when <code># type: ignore</code> comments would
be merged with other
comments on the same line, preventing AST equivalence failures (<a
href="https://redirect.github.com/psf/black/issues/4888">#4888</a>)</li>
</ul>
<h3>Preview style</h3>
<ul>
<li>Fix bug where <code>if</code> guards in <code>case</code> blocks
were incorrectly split when the pattern had
a trailing comma (<a
href="https://redirect.github.com/psf/black/issues/4884">#4884</a>)</li>
<li>Fix <code>string_processing</code> crashing on unassigned long
string literals with trailing
commas (one-item tuples) (<a
href="https://redirect.github.com/psf/black/issues/4929">#4929</a>)</li>
<li>Simplify implementation of the power operator &quot;hugging&quot;
logic (<a
href="https://redirect.github.com/psf/black/issues/4918">#4918</a>)</li>
</ul>
<h3>Packaging</h3>
<ul>
<li>Fix shutdown errors in PyInstaller builds on macOS by disabling
multiprocessing in
frozen environments (<a
href="https://redirect.github.com/psf/black/issues/4930">#4930</a>)</li>
</ul>
<h3>Performance</h3>
<ul>
<li>Introduce winloop for windows as an alternative to uvloop (<a
href="https://redirect.github.com/psf/black/issues/4996">#4996</a>)</li>
<li>Remove deprecated function <code>uvloop.install()</code> in favor of
<code>uvloop.new_event_loop()</code>
(<a
href="https://redirect.github.com/psf/black/issues/4996">#4996</a>)</li>
<li>Rename <code>maybe_install_uvloop</code> function to
<code>maybe_use_uvloop</code> to simplify loop
installation and creation of either a uvloop/winloop eventloop or
default eventloop
(<a
href="https://redirect.github.com/psf/black/issues/4996">#4996</a>)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/psf/black/commit/c6755bb741b6481d6b3d3bb563c83fa060db96c9"><code>c6755bb</code></a>
Prepare release 26.3.1 (<a
href="https://redirect.github.com/psf/black/issues/5046">#5046</a>)</li>
<li><a
href="https://github.com/psf/black/commit/69973fd6950985fbeb1090d96da717dc4d8380b0"><code>69973fd</code></a>
Harden blackd browser-facing request handling (<a
href="https://redirect.github.com/psf/black/issues/5039">#5039</a>)</li>
<li><a
href="https://github.com/psf/black/commit/4937fe6cf241139ddbfc16b0bdbb5b422798909d"><code>4937fe6</code></a>
Fix some shenanigans with the cache file and IPython (<a
href="https://redirect.github.com/psf/black/issues/5038">#5038</a>)</li>
<li><a
href="https://github.com/psf/black/commit/2e641d174469c505d5ae905e75d4c769597e681f"><code>2e641d1</code></a>
docs: remove outdated Black Playground references (<a
href="https://redirect.github.com/psf/black/issues/5044">#5044</a>)</li>
<li><a
href="https://github.com/psf/black/commit/c014b22a2d5e0632587b47b81151658bddfa0b88"><code>c014b22</code></a>
Remove unused internal code (<a
href="https://redirect.github.com/psf/black/issues/5041">#5041</a>)</li>
<li><a
href="https://github.com/psf/black/commit/0dae20b2d009f2f03de8696d06b0c947d3abafc9"><code>0dae20b</code></a>
Add new changelog (<a
href="https://redirect.github.com/psf/black/issues/5036">#5036</a>)</li>
<li><a
href="https://github.com/psf/black/commit/c5c1cbddd92cecb554ac2a77a24139dd76831030"><code>c5c1cbd</code></a>
Minor release patches (<a
href="https://redirect.github.com/psf/black/issues/5035">#5035</a>)</li>
<li><a
href="https://github.com/psf/black/commit/7e5a828c37d71b6a6666e28eed444816def6a8f4"><code>7e5a828</code></a>
docs: clarify relationship between Black style and PEP 8 (<a
href="https://redirect.github.com/psf/black/issues/5025">#5025</a>)</li>
<li><a
href="https://github.com/psf/black/commit/69705deb8776e7c5e585668da106d1abe2cb8d77"><code>69705de</code></a>
docs: add clearer pyproject configuration guidance (<a
href="https://redirect.github.com/psf/black/issues/5026">#5026</a>)</li>
<li><a
href="https://github.com/psf/black/commit/35ea67920b7f6ac8e09be1c47278752b1e827f76"><code>35ea679</code></a>
Prepare release 26.3.0 (<a
href="https://redirect.github.com/psf/black/issues/5032">#5032</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/psf/black/compare/25.12.0...26.3.1">compare
view</a></li>
</ul>
</details>
<br />
Merged via the queue into v1.x.x with commit 38b10f1 Apr 2, 2026
8 checks passed
@llucax llucax deleted the dependabot/pip/black-26.3.1 branch April 2, 2026 13:25
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@github-actions github-actions[bot] github-actions[bot] approved these changes
@ela-kotulska-frequenz ela-kotulska-frequenz Awaiting requested review from ela-kotulska-frequenz ela-kotulska-frequenz is a code owner automatically assigned from frequenz-floss/api-dispatch-team

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