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parent 92d301eb678427dbb40aef2e0c9c91f75f278413
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> 1729809525 +0200
committer GitHub <noreply@github.com> 1729809525 +0000
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[3.13] gh-125245: Fix race condition when importing `collections.abc` (GH-125415) (GH-125944)

If multiple threads concurrently imported `collections.abc`, some of the
threads might incorrectly see the "shim" `Lib/collections/abc.py` module
instead of the correct `Lib/_collections_abc.py` module.  This affected
both the free threading build and the default GIL-enabled build.
(cherry picked from commit fed501d7247053ce46a2ba512bf0e4bb4f483be6)

Co-authored-by: Sam Gross <colesbury@gmail.com>