fix(pre-commit.ci): pin pyupgrade to Python 3.13 to avoid crash on 3.14#2824
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bhimrazy wants to merge 1 commit into
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fix(pre-commit.ci): pin pyupgrade to Python 3.13 to avoid crash on 3.14#2824bhimrazy wants to merge 1 commit into
bhimrazy wants to merge 1 commit into
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pyupgrade v3.21.0 crashes on Python 3.14 due to a breaking change in `tokenize.cookie_re` (bytes pattern vs string-like object). Pin `language_version: python3.13` on the hook so pre-commit.ci uses a stable interpreter until pyupgrade adds 3.14 support.
bhimrazy
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k223kim
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May 28, 2026
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What does this PR do?
Pins
language_version: python3.13on thepyupgradepre-commit hook.pyupgrade v3.21.0crashes on Python 3.14 with:This is caused by a breaking change in
tokenize.cookie_rein Python 3.14. pre-commit.ci runs on 3.14, so every PR is currently failing theUpgrade codehook regardless of what changed.Seen failing here: https://results.pre-commit.ci/run/github/773894671/1779979956.EqEwjW5-S9KLbyBMT9nrAA
Pinning to
python3.13keeps the hook stable until pyupgrade ships 3.14 support upstream.