def __lt__(self, other):
        return self.refractive_index < other.refractive_index
Register the software's general settings with the QSettings object 
dataset/ETHPy150Open sympy/sympy/sympy/physics/optics/medium.py/Medium.__lt__--crossover with--dataset/ETHPy150Open andrew-gardner/dependsworkflow/depends/depends_main_window.py/MainWindow.saveSettings