[3.13] gh-117657: Acquire a critical section around SemLock.__{enter,exit}__ (GH-118812) - #118856

[3.13] gh-117657: Acquire a critical section around SemLock.__{enter,exit}__ (GH-118812)#118856

colesbury merged 1 commit into

python:3.13python/cpython:3.13from

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