Method deserialize

mypy/types.py:311–312

(cls, data: JsonDict)

    @classmethod
    def deserialize(cls, data: JsonDict) -> Type:
        raise NotImplementedError(f"Cannot deserialize {cls.__name__} instance")

    def write(self, data: WriteBuffer) -> None:
        raise NotImplementedError(f"Cannot serialize {self.__class__.__name__} instance")