[root@cumulus trove]# trove-taskmanager --config-file /etc/trove/trove-taskmanager.conf --config-file /etc/trove/trove.conf
2014-07-24 12:40:20.453 9879 INFO trove.db.sqlalchemy.session [-] Creating SQLAlchemy engine with args: {'pool_recycle': 3600, 'echo': False}
2014-07-24 12:40:20.755 9879 CRITICAL root [-] 'NoneType' object has no attribute 'rpartition'
2014-07-24 12:40:20.755 9879 TRACE root Traceback (most recent call last):
2014-07-24 12:40:20.755 9879 TRACE root   File "/usr/bin/trove-taskmanager", line 10, in <module>
2014-07-24 12:40:20.755 9879 TRACE root     sys.exit(main())
2014-07-24 12:40:20.755 9879 TRACE root   File "/usr/lib/python2.6/site-packages/trove/cmd/taskmanager.py", line 58, in main
2014-07-24 12:40:20.755 9879 TRACE root     startup(None)
2014-07-24 12:40:20.755 9879 TRACE root   File "/usr/lib/python2.6/site-packages/trove/cmd/taskmanager.py", line 52, in startup
2014-07-24 12:40:20.755 9879 TRACE root     topic=topic)
2014-07-24 12:40:20.755 9879 TRACE root   File "/usr/lib/python2.6/site-packages/trove/common/rpc/service.py", line 36, in __init__
2014-07-24 12:40:20.755 9879 TRACE root     self.manager_impl = importutils.import_object(manager)
2014-07-24 12:40:20.755 9879 TRACE root   File "/usr/lib/python2.6/site-packages/trove/openstack/common/importutils.py", line 40, in import_object
2014-07-24 12:40:20.755 9879 TRACE root     return import_class(import_str)(*args, **kwargs)
2014-07-24 12:40:20.755 9879 TRACE root   File "/usr/lib/python2.6/site-packages/trove/openstack/common/importutils.py", line 28, in import_class
2014-07-24 12:40:20.755 9879 TRACE root     mod_str, _sep, class_str = import_str.rpartition('.')
2014-07-24 12:40:20.755 9879 TRACE root AttributeError: 'NoneType' object has no attribute 'rpartition'