add missing import

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@608 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/app.py

@@ -29,7 +29,8 @@ from neo.node import NodeManager, MasterNode, StorageNode
 from neo.connection import MTClientConnection
 from neo import protocol
 from neo.protocol import Packet, INVALID_UUID, INVALID_TID, INVALID_PARTITION, \
-        INVALID_PTID, CLIENT_NODE_TYPE, UP_TO_DATE_STATE, INVALID_SERIAL
+        INVALID_PTID, CLIENT_NODE_TYPE, UP_TO_DATE_STATE, INVALID_SERIAL, \
+        DOWN_STATE, HIDDEN_STATE
 from neo.client.handler import *
 from neo.client.exception import NEOStorageError, NEOStorageConflictError, \
      NEOStorageNotFoundError, NEOStorageConnectionFailure