def _step_size(self):
        slider_delta = self.control.slider.maximum() - self.control.slider.minimum()
        range_delta = self.max - self.min

        return slider_delta/float(range_delta)
dataset/ETHPy150Open enthought/traitsui/traitsui/qt4/extra/bounds_editor.py/_BoundsEditor._step_size/swapped operands of `/`