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GeezerVison is showing github.com — gh-159739: Skip code-extra cleanup callbacks for NULL data by jelle-openai · Pull Request #159768 · python/cpython

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@jelle-openai

@jelle-openai jelle-openai commented Oct 19, 2026 •
edited by bedevere-app Bot
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Backport to 3.15 and 3.14.

  • Issue: Fix minor safety issues #159739

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@JelleZijlstra
pythongh-159739: Skip code-extra cleanup callbacks for NULL data
343475f 
Backport to 3.15 and 3.14.
@bedevere-app bedevere-app Bot mentioned this pull request Oct 19, 2026
Fix minor safety issues #159739
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@jelle-openai

jelle-openai commented Oct 19, 2026

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The problem this fixes is that callbacks may be incorrectly called with a NULL argument, contrary to the docs. But this is unstable anyway, changing the behavior is itself risky, and I don't think it's really worth changing.
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@jelle-openai jelle-openai closed this Oct 19, 2026
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@markshannon markshannon Awaiting requested review from markshannon markshannon will be requested when the pull request is marked ready for review markshannon is a code owner

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@jelle-openai @JelleZijlstra
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