@property
    def theme_color(self):
        """
        Raise TypeError on attempt to access .theme_color when no color
        choice is present.
        """
        tmpl = "no .theme_color property on color type '%s'"
        raise AttributeError(self.__class__.__name__ % tmpl)
dataset/ETHPy150Open scanny/python-pptx/pptx/dml/color.py/_NoneColor.theme_color/swapped operands of `%`