[ty] Fix false-positive unsupported-operator for "symmetric" TypeVars by charliermarsh · Pull Request #22756 · astral-sh/ruff (original) (raw)

added bug

Something isn't working

ty

Multi-file analysis & type inference

labels

Jan 20, 2026

charliermarsh changed the title[ty] Fix false-positive unsupported-operator for constrained TypeVars [ty] Fix false-positive unsupported-operator for symmetric TypeVars

Jan 21, 2026

charliermarsh changed the title[ty] Fix false-positive unsupported-operator for symmetric TypeVars [ty] Fix false-positive unsupported-operator for "symmetric" TypeVars

Jan 21, 2026

This was referenced

Jan 23, 2026

Union the return types

Add more tests

Also support unary

Limit to symmetric typevar

Simplfiy tests

carljm added a commit that referenced this pull request

Jan 30, 2026

• main: (62 commits) [refurb] Do not add abc.ABC if already present (FURB180) (#22234) [ty] Add a new assert-type-unspellable-subtype diagnostic (#22815) [ty] Avoid duplicate syntax errors for await outside functions (#22826) [ty] Fix unary operator false-positive for constrained TypeVars (#22783) [ty] Fix binary operator false-positive for constrained TypeVars (#22782) [ty] Fix false-positive unsupported-operator for "symmetric" TypeVars (#22756) [pydocstyle] Clarify which quote styles are allowed (D300) (#22825) [ty] Use distributed versions of AND and OR on constraint sets (#22614) [ty] Add support for dict literals and dict() calls as default values for parameters with TypedDict types (#22161) Document - stdin convention in CLI help text (#22817) [ty] Make infer_subscript_expression_types a method on Type (#22731) [ty] Simplify OverloadLiteral::spans and OverloadLiteral::parameter_span (#22823) [ty] Require both *args and **kwargs when calling a ParamSpec callable (#22820) [ty] Handle tagged errors in conformance (#22746) Add --color cli option to force colored output (#22806) Identify notebooks by LSP didOpen instead of .ipynb file extension (#22810) [ty] Fix docstring rendering for literal blocks after doctests (#22676) [ty] Update salsa to fix out-of-order query validation (#22498) [ty] Inline cycle initial and recovery functions (#22814) [ty] Pass the generic context through the decorator (#22544) ...

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