Pyright doesn't flag re-declaration of fields when subclassing a NamedTuple

Pyright doesn't flag re-declaration of fields when subclassing a NamedTuple: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I have a small class hierarchy where the base class is a typing.NamedTuple , and a subclass re-declares one of the parent's fields: