🔧 build(type): migrate from mypy to ty#192
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gaborbernat merged 1 commit intopytest-dev:mainfrom Feb 11, 2026
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mypy is being deprecated in favor of ty, which provides faster type checking with better performance characteristics. ty also offers more accurate type inference and improved developer experience. Configured ty to use Python 3.14 as the target version to align with the type checking environment and avoid false positives from conditional imports that only apply to older Python versions. Signed-off-by: Bernát Gábor <bgabor8@bloomberg.net>
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mypy is being deprecated in favor of
ty, which provides significantly faster type checking with better performance characteristics and more accurate type inference. ⚡The migration replaces
mypy==1.19.1withty==0.0.16in the type checking tox environment. The command changes from running mypy separately onsrcandteststo a singlety checkinvocation with concise output format and warnings treated as errors.Configured ty to target Python 3.14 specifically to align with the type checking environment and avoid false positives from conditional imports like
tomlithat only apply to older Python versions. 🐍