def _deleteAttributesCallback(self, data, domain, item_name):
        xml = ET.fromstring(data["response"])
        box_usage = float(xml.find(SDB_NAMESPACE % ".//%sBoxUsage").text)
        self.box_usage += box_usage
        LOGGER.debug("""Deleted attributes from '%s' in SimpleDB domain '%s'. Box usage: %s""" % (
            item_name,
            domain,
            box_usage))
        return True
dataset/ETHPy150Open wehriam/awspider/awspider/aws/sdb.py/AmazonSDB._deleteAttributesCallback/swapped operands of `%`