def METHOD_NAME(self, *args):
    self.sample_changer_maintenance = self.get_object_by_role(
        "sample_changer_maintenance"
    )
    self.__load = HWR.beamline.sample_changer.load
    self.__unload = HWR.beamline.sample_changer.unload
    self.curr_dtox_pos = None
    HWR.beamline.sample_changer.load = types.MethodType(
        self.new_load, HWR.beamline.sample_changer
    )
    HWR.beamline.sample_changer.unload = types.MethodType(
        self.new_unload, HWR.beamline.sample_changer
    )