Bumps [ruff](https://github.com/astral-sh/ruff) from 0.15.8 to 0.15.9. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/astral-sh/ruff/releases">ruff's releases</a>.</em></p> <blockquote> <h2>0.15.9</h2> <h2>Release Notes</h2> <p>Released on 2026-04-02.</p> <h3>Preview features</h3> <ul> <li>[<code>pyflakes</code>] Flag annotated variable redeclarations as <code>F811</code> in preview mode (<a href="https://redirect.github.com/astral-sh/ruff/pull/24244">#24244</a>)</li> <li>[<code>ruff</code>] Allow dunder-named assignments in non-strict mode for <code>RUF067</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24089">#24089</a>)</li> </ul> <h3>Bug fixes</h3> <ul> <li>[<code>flake8-errmsg</code>] Avoid shadowing existing <code>msg</code> in fix for <code>EM101</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24363">#24363</a>)</li> <li>[<code>flake8-simplify</code>] Ignore pre-initialization references in <code>SIM113</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24235">#24235</a>)</li> <li>[<code>pycodestyle</code>] Fix <code>W391</code> fixes for consecutive empty notebook cells (<a href="https://redirect.github.com/astral-sh/ruff/pull/24236">#24236</a>)</li> <li>[<code>pyupgrade</code>] Fix <code>UP008</code> nested class matching (<a href="https://redirect.github.com/astral-sh/ruff/pull/24273">#24273</a>)</li> <li>[<code>pyupgrade</code>] Ignore strings with string-only escapes (<code>UP012</code>) (<a href="https://redirect.github.com/astral-sh/ruff/pull/16058">#16058</a>)</li> <li>[<code>ruff</code>] <code>RUF072</code>: skip formfeeds on dedent (<a href="https://redirect.github.com/astral-sh/ruff/pull/24308">#24308</a>)</li> <li>[<code>ruff</code>] Avoid re-using symbol in <code>RUF024</code> fix (<a href="https://redirect.github.com/astral-sh/ruff/pull/24316">#24316</a>)</li> <li>[<code>ruff</code>] Parenthesize expression in <code>RUF050</code> fix (<a href="https://redirect.github.com/astral-sh/ruff/pull/24234">#24234</a>)</li> <li>Disallow starred expressions as values of starred expressions (<a href="https://redirect.github.com/astral-sh/ruff/pull/24280">#24280</a>)</li> </ul> <h3>Rule changes</h3> <ul> <li>[<code>flake8-simplify</code>] Suppress <code>SIM105</code> for <code>except*</code> before Python 3.12 (<a href="https://redirect.github.com/astral-sh/ruff/pull/23869">#23869</a>)</li> <li>[<code>pyflakes</code>] Extend <code>F507</code> to flag <code>%</code>-format strings with zero placeholders (<a href="https://redirect.github.com/astral-sh/ruff/pull/24215">#24215</a>)</li> <li>[<code>pyupgrade</code>] <code>UP018</code> should detect more unnecessarily wrapped literals (UP018) (<a href="https://redirect.github.com/astral-sh/ruff/pull/24093">#24093</a>)</li> <li>[<code>pyupgrade</code>] Fix <code>UP008</code> callable scope handling to support lambdas (<a href="https://redirect.github.com/astral-sh/ruff/pull/24274">#24274</a>)</li> <li>[<code>ruff</code>] <code>RUF010</code>: Mark fix as unsafe when it deletes a comment (<a href="https://redirect.github.com/astral-sh/ruff/pull/24270">#24270</a>)</li> </ul> <h3>Formatter</h3> <ul> <li>Add <code>nested-string-quote-style</code> formatting option (<a href="https://redirect.github.com/astral-sh/ruff/pull/24312">#24312</a>)</li> </ul> <h3>Documentation</h3> <ul> <li>[<code>flake8-bugbear</code>] Clarify RUF071 fix safety for non-path string comparisons (<a href="https://redirect.github.com/astral-sh/ruff/pull/24149">#24149</a>)</li> <li>[<code>flake8-type-checking</code>] Clarify import cycle wording for <code>TC001</code>/<code>TC002</code>/<code>TC003</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24322">#24322</a>)</li> </ul> <h3>Other changes</h3> <ul> <li>Avoid rendering fix lines with trailing whitespace after <code>|</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24343">#24343</a>)</li> </ul> <h3>Contributors</h3> <ul> <li><a href="https://github.com/charliermarsh"><code>@charliermarsh</code></a></li> <li><a href="https://github.com/MichaReiser"><code>@MichaReiser</code></a></li> <li><a href="https://github.com/tranhoangtu-it"><code>@tranhoangtu-it</code></a></li> <li><a href="https://github.com/dylwil3"><code>@dylwil3</code></a></li> <li><a href="https://github.com/zsol"><code>@zsol</code></a></li> </ul>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md">ruff's changelog</a>.</em></p> <blockquote> <h2>0.15.9</h2> <p>Released on 2026-04-02.</p> <h3>Preview features</h3> <ul> <li>[<code>pyflakes</code>] Flag annotated variable redeclarations as <code>F811</code> in preview mode (<a href="https://redirect.github.com/astral-sh/ruff/pull/24244">#24244</a>)</li> <li>[<code>ruff</code>] Allow dunder-named assignments in non-strict mode for <code>RUF067</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24089">#24089</a>)</li> </ul> <h3>Bug fixes</h3> <ul> <li>[<code>flake8-errmsg</code>] Avoid shadowing existing <code>msg</code> in fix for <code>EM101</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24363">#24363</a>)</li> <li>[<code>flake8-simplify</code>] Ignore pre-initialization references in <code>SIM113</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24235">#24235</a>)</li> <li>[<code>pycodestyle</code>] Fix <code>W391</code> fixes for consecutive empty notebook cells (<a href="https://redirect.github.com/astral-sh/ruff/pull/24236">#24236</a>)</li> <li>[<code>pyupgrade</code>] Fix <code>UP008</code> nested class matching (<a href="https://redirect.github.com/astral-sh/ruff/pull/24273">#24273</a>)</li> <li>[<code>pyupgrade</code>] Ignore strings with string-only escapes (<code>UP012</code>) (<a href="https://redirect.github.com/astral-sh/ruff/pull/16058">#16058</a>)</li> <li>[<code>ruff</code>] <code>RUF072</code>: skip formfeeds on dedent (<a href="https://redirect.github.com/astral-sh/ruff/pull/24308">#24308</a>)</li> <li>[<code>ruff</code>] Avoid re-using symbol in <code>RUF024</code> fix (<a href="https://redirect.github.com/astral-sh/ruff/pull/24316">#24316</a>)</li> <li>[<code>ruff</code>] Parenthesize expression in <code>RUF050</code> fix (<a href="https://redirect.github.com/astral-sh/ruff/pull/24234">#24234</a>)</li> <li>Disallow starred expressions as values of starred expressions (<a href="https://redirect.github.com/astral-sh/ruff/pull/24280">#24280</a>)</li> </ul> <h3>Rule changes</h3> <ul> <li>[<code>flake8-simplify</code>] Suppress <code>SIM105</code> for <code>except*</code> before Python 3.12 (<a href="https://redirect.github.com/astral-sh/ruff/pull/23869">#23869</a>)</li> <li>[<code>pyflakes</code>] Extend <code>F507</code> to flag <code>%</code>-format strings with zero placeholders (<a href="https://redirect.github.com/astral-sh/ruff/pull/24215">#24215</a>)</li> <li>[<code>pyupgrade</code>] <code>UP018</code> should detect more unnecessarily wrapped literals (UP018) (<a href="https://redirect.github.com/astral-sh/ruff/pull/24093">#24093</a>)</li> <li>[<code>pyupgrade</code>] Fix <code>UP008</code> callable scope handling to support lambdas (<a href="https://redirect.github.com/astral-sh/ruff/pull/24274">#24274</a>)</li> <li>[<code>ruff</code>] <code>RUF010</code>: Mark fix as unsafe when it deletes a comment (<a href="https://redirect.github.com/astral-sh/ruff/pull/24270">#24270</a>)</li> </ul> <h3>Formatter</h3> <ul> <li>Add <code>nested-string-quote-style</code> formatting option (<a href="https://redirect.github.com/astral-sh/ruff/pull/24312">#24312</a>)</li> </ul> <h3>Documentation</h3> <ul> <li>[<code>flake8-bugbear</code>] Clarify RUF071 fix safety for non-path string comparisons (<a href="https://redirect.github.com/astral-sh/ruff/pull/24149">#24149</a>)</li> <li>[<code>flake8-type-checking</code>] Clarify import cycle wording for <code>TC001</code>/<code>TC002</code>/<code>TC003</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24322">#24322</a>)</li> </ul> <h3>Other changes</h3> <ul> <li>Avoid rendering fix lines with trailing whitespace after <code>|</code> (<a href="https://redirect.github.com/astral-sh/ruff/pull/24343">#24343</a>)</li> </ul> <h3>Contributors</h3> <ul> <li><a href="https://github.com/charliermarsh"><code>@charliermarsh</code></a></li> <li><a href="https://github.com/MichaReiser"><code>@MichaReiser</code></a></li> <li><a href="https://github.com/tranhoangtu-it"><code>@tranhoangtu-it</code></a></li> <li><a href="https://github.com/dylwil3"><code>@dylwil3</code></a></li> <li><a href="https://github.com/zsol"><code>@zsol</code></a></li> <li><a href="https://github.com/renovate"><code>@renovate</code></a></li> </ul>  </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/astral-sh/ruff/commit/724ccc1ae8a61e872cf58435f2c073189dc248f2"><code>724ccc1</code></a> Bump 0.15.9 (<a href="https://redirect.github.com/astral-sh/ruff/issues/24369">#24369</a>)</li> <li><a href="https://github.com/astral-sh/ruff/commit/96d9e0964cb87498ef15510ea7f896ba336659f9"><code>96d9e09</code></a> [ty] Move the <code>deferred</code> submodule inside <code>infer/builder</code> (<a href="https://redirect.github.com/astral-sh/ruff/issues/24368">#24368</a>)</li> <li><a href="https://github.com/astral-sh/ruff/commit/130da28d610a466721bb942e8a5e0ec47bbe3469"><code>130da28</code></a> [ty] Infer the <code>extra_items</code> keyword argument to class-based TypedDicts as an...</li> <li><a href="https://github.com/astral-sh/ruff/commit/a617c54b0708a8c1eb850cc3b2a5caee21137a28"><code>a617c54</code></a> [ty] Validate type qualifiers in functional TypedDict fields and the `extra_i...</li> <li><a href="https://github.com/astral-sh/ruff/commit/d8517087c6cd0aa4f33dcede605ff642941dd74b"><code>d851708</code></a> [ty] Improve robustness of various type-qualifier-related checks (<a href="https://redirect.github.com/astral-sh/ruff/issues/24251">#24251</a>)</li> <li><a href="https://github.com/astral-sh/ruff/commit/aecb5877c6d6fe035c03aba994ec3a7b935b8f02"><code>aecb587</code></a> Only run the release-gate on workflow dispatch (<a href="https://redirect.github.com/astral-sh/ruff/issues/24366">#24366</a>)</li> <li><a href="https://github.com/astral-sh/ruff/commit/b88957174311030927bf564da32d05dee0eb89d9"><code>b889571</code></a> [ty] Use <code>infer_type_expression</code> for parsing parameter annotations and return...</li> <li><a href="https://github.com/astral-sh/ruff/commit/3286a62be986a8d6d04d95b3bc619f06e012fa2f"><code>3286a62</code></a> Add a "release-gate" step to the release workflow (<a href="https://redirect.github.com/astral-sh/ruff/issues/24365">#24365</a>)</li> <li><a href="https://github.com/astral-sh/ruff/commit/5f88756ee10e3faf0e96c883c34c95fc78200536"><code>5f88756</code></a> Disallow starred expressions as values of starred expressions (<a href="https://redirect.github.com/astral-sh/ruff/issues/24280">#24280</a>)</li> <li><a href="https://github.com/astral-sh/ruff/commit/5c59f8a46965cac3470f09972196c8620faa4626"><code>5c59f8a</code></a> [<code>pyupgrade</code>] Ignore strings with string-only escapes (<code>UP012</code>) (<a href="https://redirect.github.com/astral-sh/ruff/issues/16058">#16058</a>)</li> <li>Additional commits viewable in <a href="https://github.com/astral-sh/ruff/compare/0.15.8...0.15.9">compare view</a></li> </ul> </details> <br /> [![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=ruff&package-manager=uv&previous-version=0.15.8&new-version=0.15.9)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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