[ty] Fix panics when pulling types for ClassVar or Final parameterized with >1 argument
#18824
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−20
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…rized with >1 argument
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carljm
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Jun 20, 2025
dcreager
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Jun 20, 2025
* main: (21 commits) [`flake8-logging`] Avoid false positive for `exc_info=True` outside `logger.exception` (`LOG014`) (#18737) [`flake8-pie`] Small docs fix to `PIE794` (#18829) [`pylint`] Ignore __init__.py files in (PLC0414) (#18400) Avoid generating diagnostics with per-file ignores (#18801) [`flake8-simplify`] Fix false negatives for shadowed bindings (`SIM910`, `SIM911`) (#18794) [ty] Fix panics when pulling types for `ClassVar` or `Final` parameterized with >1 argument (#18824) [`pylint`] add fix safety section (`PLR1714`) (#18415) [Perflint] Small docs improvement to `PERF401` (#18786) [`pylint`] Avoid flattening nested `min`/`max` when outer call has single argument (`PLW3301`) (#16885) [`ruff`] Added `cls.__dict__.get('__annotations__')` check (`RUF063`) (#18233) [ty] Use `HashTable` in `PlaceTable` (#18819) docs: Correct collections-named-tuple example to use PascalCase assignment (#16884) [ty] ecosystem-analyzer workflow (#18719) [ty] Add support for `@staticmethod`s (#18809) unnecessary_dict_kwargs doc - a note on type checking benefits (#18666) [`flake8-pytest-style`] Mark autofix for `PT001` and `PT023` as unsafe if there's comments in the decorator (#18792) [ty] Surface matched overload diagnostic directly (#18452) [ty] Report when a dataclass contains more than one `KW_ONLY` field (#18731) [`flake8-pie`] Add fix safety section to `PIE794` (#18802) [`pycodestyle`] Add fix safety section to `W291` and `W293` (#18800) ...
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Summary
On
mainwe panic if we try to "pull types" for a file that includes a parameterizedFinalorClassVarwith the wrong number of arguments. This can cause unpredictable crashes in the playground in the same way as the video I recorded in #18642 (comment)Test Plan
Mdtests