def __init__(
        self,
        subdescriptor: 'Descriptor'
    ) -> None:
        """
        :param subdescriptor: The :class:`Descriptor` that is a sub-descriptor for this descriptor
        """
        super().__init__([], [subdescriptor], "sh")

        :param subdescriptor: The :class:`Descriptor` that is a sub-descriptor for this descriptor
        
electrum/descriptor.py