gh-156544: fix free-threading race in UserDict with missing or default - #157287

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gdchinacat:gh_156544_user_dict_missing_race

Commits on Sep 10, 2026

gh-156544: add UserDict unit tests to create baseline for upcoming change to fix race condition.
gdchinacat
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acc6669
gh-156544: fix free-threading race in UserDict.get() and __getitem__().
gdchinacat
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8c8fc8e
📜🤖 Added by blurb_it.

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gdchinacat
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21ed00f

Commits on Sep 17, 2026

Merge branch 'main' into gh_156544_user_dict_missing_race
gdchinacat
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d270e39