Hi, I'd like you to take a look at this patch for potential DocImpact. https://review.openstack.org/37511 Log: commit 812ec77db8d96d2c8a17a087f224e5ad8ea48462 Author: Fei Long Wang <flwang at cn.ibm.com> Date: Sat Jul 13 11:56:21 2013 +0800 Use Openstack common notifier Now most of the OpenStack projects has replaceed the notification code with Oslo's. This fix is using to track the change and refactors the unit test code of notifier. DocImpact Fix bug 1020749 Change-Id: If3cd72e9e580ff9fbd1bbae8bd1493529e01a2a7 Automatically generated bug (please review): https://bugs.launchpad.net/bugs/1202268