def plot_spectrum_locus_31():
    x, y = load_xy_from_file(SPECTRUM_LOCUS_31)
    plot_spectrum_locus(x, y, "spectrum locus CIE1931")
Return a :class:`.MapperOption` that will indicate to the :class:`.Query`
dataset/ETHPy150Open mikrosimage/ColorPipe-tools/utils/matplotlib_helper.py/plot_spectrum_locus_31--crossover with--dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/orm/query.py/AliasOption.__init__