[ty] Validate deprecated warning categories#26025
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Typing conformance resultsNo changes detected ✅Current numbersThe percentage of diagnostics emitted that were expected errors held steady at 94.37%. The percentage of expected errors that received a diagnostic held steady at 89.00%. The number of fully passing files held steady at 94/134. |
Memory usage reportMemory usage unchanged ✅ |
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AlexWaygood
approved these changes
Jun 15, 2026
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Summary
Validate the
categoryargument towarnings.deprecatedandtyping_extensions.deprecatedagainst their declaredtype[Warning] | Nonesignature.The synthesized signature previously modeled this argument as
Any, so invalid values such ascategory=42were silently accepted. Warning subclasses andNoneremain valid, and invalid values now receive the standard argument-type diagnostic.