fix: update pyupgrade to v3.21.2 for Python 3.14 compatibility #25
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Fixes #24 Updated pyupgrade from v3.15.0 to v3.21.2 to resolve Python 3.14 compatibility issues in linting. The previous version had a bug with Python 3.14's tokenize module that caused TypeError when processing files. - Updated .pre-commit-config.yaml - Added newsfragment for issue #24 - All Python 3.14 lint tests now pass
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Fixes #24
Problem
The CI tests were failing for Python 3.14 lint environments with the following error:
This occurred in
pyupgradewhen processing files with Python 3.14, specifically in thetokenize.cookie_re.match(token.src)call.Root Cause
pyupgrade v3.15.0(the version in use) is incompatible with Python 3.14 due to changes in Python 3.14'stokenizemodule. The tool hasn't been updated to handle Python 3.14's tokenization API changes.Solution
Update
pyupgradefromv3.15.0tov3.21.2(latest version, released November 19, 2025) which includes Python 3.14 support.Changes
.pre-commit-config.yamlto usepyupgrade v3.21.2Testing
Related
This fixes the CI failures seen in PR #23 (though the failures were unrelated to that PR's changes).