dependabot[bot] opened a new pull request, #39496: URL: https://github.com/apache/beam/pull/39496
Updates the requirements on [cython](https://github.com/cython/cython) to permit the latest version. <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/cython/cython/blob/master/CHANGES.rst";>cython's changelog</a>.</em></p> <blockquote> <h1>3.2.9 (2026-07-24)</h1> <h2>Bugs fixed</h2> <ul> <li> <p>Indexing into freshly created lists with an out-of-bounds index could crash. (Github issue :issue:<code>7793</code>)</p> </li> <li> <p>Function arguments with default values could end up uninitialised in closures, leading to crashes. Patch by Anthony Donlon. (Github issue :issue:<code>7782</code>)</p> </li> <li> <p><code>bytearray.append(None)</code> could crash. The optimised code was also lacking concurrency guards. (Github issue :issue:<code>7796</code>)</p> </li> <li> <p>Some rare corner cases when concatenating text strings were resolved. (Github issue :issue:<code>7799</code>)</p> </li> <li> <p>Assignments of builtin string types to typedefs of <code>object</code> could erroneously be rejected. (Github issue :issue:<code>7789</code>)</p> </li> <li> <p>Subscripting <code>type</code> failed with a <code>TypeError</code>. (Github issue :issue:<code>5563</code>)</p> </li> <li> <p>Manually disabling <code>CYTHON_VECTORCALL</code> in CPython could lead to invalid C code. Patch by Florent Gallaire. (Github issue :issue:<code>7807</code>)</p> </li> <li> <p>Some internal Limited API version checks for Py3.12 were corrected. (Github issue :issue:<code>7845</code>)</p> </li> </ul> <h1>3.2.8 (2026-06-30)</h1> <h2>Bugs fixed</h2> <ul> <li> <p>Assigning a Python 3.14+ <code>.__annotate__</code> function to a Cython compiled function no longer evaluates annotations eagerly. Fixes a regression with <code>@functools.wraps()</code> in Cython 3.2.6. Patch by Jelle Zijlstra. (Github issue :issue:<code>7767</code>)</p> </li> <li> <p>In freethreading Python, the necessary object keep-alive while executing user code in <code>.__dealloc__()</code> uses a safer scheme. Patch by Yaxing Cai. (Github issue :issue:<code>7769</code>)</p> </li> <li> <p>The local function state used by <code>sys.monitoring</code> read from uninitialised memory. (Github issue :issue:<code>7774</code>)</p> </li> <li> <p>The <code>.ag_running</code> flag attribute of async generators was always false on big-endian systems.</p> </li> </ul> <!-- raw HTML omitted --> </blockquote> <p>... (truncated)</p> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/cython/cython/commit/58b8e6adc51c99c8cd5dd75db720e4aa7c051cb6";><code>58b8e6a</code></a> Prepare release of 3.2.9.</li> <li><a href="https://github.com/cython/cython/commit/211b66a9847cb3912b8c1c5ca8ce517e9f1c0576";><code>211b66a</code></a> Update changelog.</li> <li><a href="https://github.com/cython/cython/commit/4815016313fa997e2c49d4a48c7d58bf55a34b49";><code>4815016</code></a> Fix a few Py_LIMITED_API comparsions (<a href="https://redirect.github.com/cython/cython/issues/7845";>GH-7845</a>)</li> <li><a href="https://github.com/cython/cython/commit/6f3225e5eef9bce14341f97ccd4c4c552c2e8ede";><code>6f3225e</code></a> Disable type subscripting tests in Py3.8.</li> <li><a href="https://github.com/cython/cython/commit/92cfd8bf8f0869dfad5e6639e70bb1de268d41f1";><code>92cfd8b</code></a> Disable Py3.9+ code in Py3.8.</li> <li><a href="https://github.com/cython/cython/commit/be32acf28c55b095129b82fbd7ac5de4bb51210a";><code>be32acf</code></a> Update changelog.</li> <li><a href="https://github.com/cython/cython/commit/be4a9668404aca14aab4b461c258be5a105694bc";><code>be4a966</code></a> Add special case for indexing <code>type</code> (<a href="https://redirect.github.com/cython/cython/issues/7810";>GH-7810</a>)</li> <li><a href="https://github.com/cython/cython/commit/4052f59ff5422d7c22d5cfdcc67a6c4b7754fea6";><code>4052f59</code></a> [3.2.x] Update OS version for 3.2.x docs (<a href="https://redirect.github.com/cython/cython/issues/7814";>#7814</a>)</li> <li><a href="https://github.com/cython/cython/commit/299791c57ab3d4ceb85d7ce84d41aa1adf7a9a65";><code>299791c</code></a> [3.2.x] [Bug] Fix __Pyx_ArgsSlice_FASTCALL when CYTHON_VECTORCALL is disabled...</li> <li><a href="https://github.com/cython/cython/commit/086398d439abc08f12a2c5184419cb47d99d3c87";><code>086398d</code></a> Update changelog.</li> <li>Additional commits viewable in <a href="https://github.com/cython/cython/compare/3.2.6...3.2.9";>compare view</a></li> </ul> </details> <br /> Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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