def statistic_instance_error(self, req, tenant_id, start=None, end=None): """ list all error instance include deleted, then statistic for operations. """ success, error = self._statistic_instance_operation(req, tenant_id, start, end) error = list_filter.filter_instance_error(req, error) error = list_sort.sort_instance_error(req, error) ret = {"ErrorInstanceOperation": len(error), "FaultList": error} if start is not None: ret.update(start=start) if end is not None: ret.update(end=end) return ret