def METHOD_NAME(
    pipette_id: str, tip_length_offset: float, tip_rack: labware.Labware
):
    # TODO: 07-22-2020 parent slot is not important when tracking
    # tip length data, hence the empty string, we should remove it
    # from create_tip_length_data in a refactor
    tip_length_data = create_tip_length_data(
        tip_rack._core.get_definition(), tip_length_offset
    )
    cal_storage_save_tip_length(pipette_id, tip_length_data)