Method deserialize

mypy/types.py:1571–1577

(cls, data: JsonDict)

    @classmethod
    def deserialize(cls, data: JsonDict) -> ExtraAttrs:
        assert data[".class"] == "ExtraAttrs"
        return ExtraAttrs(
            {k: deserialize_type(v) for k, v in data["attrs"].items()},
            set(data["immutable"]),
            data["mod_name"],
        )

    def write(self, data: WriteBuffer) -> None:
        write_tag(data, EXTRA_ATTRS)