[ty] Reject generic metaclasses parameterized by type variables#23628

Merged

AlexWaygood merged 3 commits intomainfrom

claude/fix-generic-metaclass-mSpzd

Feb 28, 2026

Commits on Feb 28, 2026

[ty] Emit `invalid-metaclass` for parameterized generic metaclasses
claude
committed
[ty] Emit `invalid-metaclass` for generic metaclasses with type variable parameters
claude
committed
Simplify diagnostic message to "Generic metaclasses are not supported"
claude
committed