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-rw-r--r--nova/network/api.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/nova/network/api.py b/nova/network/api.py
index 1174e20490..6ab0c2b48a 100644
--- a/nova/network/api.py
+++ b/nova/network/api.py
@@ -224,8 +224,8 @@ class API(base_api.NetworkAPI):
instance_id=orig_instance_uuid)
LOG.info(_LI('re-assign floating IP %(address)s from '
'instance %(instance_id)s'), msg_dict)
- orig_instance = objects.Instance.get_by_uuid(context,
- orig_instance_uuid)
+ orig_instance = objects.Instance.get_by_uuid(
+ context, orig_instance_uuid, expected_attrs=['flavor'])
# purge cached nw info for the original instance
base_api.update_instance_cache_with_nw_info(self, context,