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gh-148259: make list.remove atomic for non-trivial __eq__ comparison#148440

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KowalskiThomas wants to merge 1 commit intopython:mainfrom
KowalskiThomas:kowalski/bug-prevent-race-condition-in-list-remove
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gh-148259: make list.remove atomic for non-trivial __eq__ comparison#148440
KowalskiThomas wants to merge 1 commit intopython:mainfrom
KowalskiThomas:kowalski/bug-prevent-race-condition-in-list-remove

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@KowalskiThomas KowalskiThomas commented Apr 12, 2026

What is this PR?

This PR addresses the bug reported in #148259 where calling rich comparison may result in releasing the GIL which may result in list.remove removing the wrong item from the list.

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