Oh TIL Non frozen non dataclass subclasses of a frozen datac

Question

Oh TIL Non frozen non dataclass subclasses of a frozen dataclass superclass are unfrozen <https github com python cpython pull 6148|https github com python cpython pull 6148>

curved-television-6568 · Answer

I think you read that wrong Only non dataclass subclasses of a frozen dataclass are unfrozen If the subclass is a dataclass it must match the super class s frozeness is how I read it at least slightly smiling face

bitter-ability-32190 · Answer

Oops that s just a typo

bitter-ability-32190 · Answer

I learned this from Field subclasses

bitter-ability-32190 · Answer

In my PR I m making it a frozen dataclass but the derived vanilla class isn t frozen