def store_response(self, spider, request, response):
        key = self._request_key(request)
        data = {
            'status': response.status,
            'url': response.url,
            'headers': dict(response.headers),
            'body': response.body,
        }
        self.db[key % '%s_data'] = pickle.dumps(data, protocol=2)
        self.db['%s_time' % key] = str(time())
dataset/ETHPy150Open scrapy/scrapy/scrapy/extensions/httpcache.py/DbmCacheStorage.store_response/swapped operands of `%`