An |Image| object providing access to the properties and bytes of the
        image in this picture shape.

def image(self):
        """
        An |Image| object providing access to the properties and bytes of the
        image in this picture shape.
        """
        slide_part, rId = self.part, self._element.blip_rId
        if rId is None:
            raise ValueError('no embedded image')
        return slide_part.get_image(rId)