def from_annotype(cls, anno, writeable, **kwargs):
        # type: (Anno, bool, **Any) -> VMeta
        """Return an instance of this class from an Anno"""
        ret = cls(description=anno.description, writeable=writeable, **kwargs)
        widget = ret.default_widget()
        if widget != Widget.NONE:
            ret.set_tags([widget.tag()])
        return ret
Return an instance of this class from an Anno