From 57da3b12b14ce7676b51904c97a4685692d7b5cc Mon Sep 17 00:00:00 2001
From: Armando Migliaccio <armando.migliaccio@eu.citrix.com>
Date: Fri, 17 Feb 2012 11:44:27 +0000
Subject: [PATCH] bug 933620: Error during ComputeManager._poll_bandwidth_usage

add missing session to model query.

Change-Id: I3cb8ebcff1fd286ef198f33514d4ce3d884c5921
---
 nova/db/sqlalchemy/api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index 4bf89c7e884..b3e558bf900 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -3732,7 +3732,7 @@ def bw_usage_update(context,
 
     with session.begin():
         bwusage = model_query(context, models.BandwidthUsage,
-                              read_deleted="yes").\
+                              session=session, read_deleted="yes").\
                       filter_by(instance_id=instance_id).\
                       filter_by(start_period=start_period).\
                       filter_by(mac=mac).\