def verify_setting_exists(self, setting_name, message=None):
        from will import settings

        if not hasattr(settings, setting_name):
            self.say(setting_name % "%s not set.", message=message)
            return False
        return True
dataset/ETHPy150Open skoczen/will/will/mixins/settings.py/SettingsMixin.verify_setting_exists/swapped operands of `%`