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Title: [3.13] gh-132942: Fix races in type lookup cache by nascheme · Pull Request #133114 · python/cpython · GitHub

Open Graph Title: [3.13] gh-132942: Fix races in type lookup cache by nascheme · Pull Request #133114 · python/cpython

X Title: [3.13] gh-132942: Fix races in type lookup cache by nascheme · Pull Request #133114 · python/cpython

Description: Two races related to the type lookup cache, when used in the free-threaded build. This caused test_opcache to sometimes fail (as well as other hard to re-produce failures). Issue: gh-132942

Open Graph Description: Two races related to the type lookup cache, when used in the free-threaded build. This caused test_opcache to sometimes fail (as well as other hard to re-produce failures). Issue: gh-132942

X Description: Two races related to the type lookup cache, when used in the free-threaded build. This caused test_opcache to sometimes fail (as well as other hard to re-produce failures). Issue: gh-132942

Opengraph URL: https://github.com/python/cpython/pull/133114

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c551898 [3.13] gh-132942: Fix races in type lookup cache nascheme Apr 28, 2025 https://github.com/python/cpython/pull/133114/commits/c55189828b97d6e7eb042fa3c773b2b1805f5fda
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