@brightness.setter
    def brightness(self, value):
        if 0 > value:
            self._tint(value)
        elif value < 0:
            self._shade(value)
        else:
            self._xClr.clear_lum()
dataset/ETHPy150Open scanny/python-pptx/pptx/dml/color.py/_Color.brightness/swapped operands of `>`