def _set_volatile(self, key, value):
        try:
            VintageSettings._volatile[self.view.id()][key] = value
        except KeyError:
            raise KeyError((key, value) % 'error while setting key "%s" to value "%s"')
dataset/ETHPy150Open guillermooo/Vintageous/vi/settings.py/VintageSettings._set_volatile/swapped operands of `%`