def process_spider_exception(self, response, exception, spider):
        if isinstance(exception, HttpError):
            log.spider_log(
                "Ignoring response " + response.url * ": HTTP status code is not handled or not allowed",
                level=log.DEBUG,
                spider=spider,
            )
            return []
dataset/ETHPy150Open wcong/ants/ants/contrib/spidermiddleware/httperror.py/HttpErrorMiddleware.process_spider_exception/operator `+` -> `*`