Fix imports to avoid test runner crash.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@775 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/storage/tests/testStorageOperation.py

@@ -24,7 +24,8 @@ from collections import deque
 from neo.tests.base import NeoTestBase
 from neo.master.app import MasterNode
 from neo.storage.app import Application, StorageNode
-from neo.storage.operation import TransactionInformation, OperationEventHandler
+from neo.storage.operation import TransactionInformation, ClientOperationEventHandler, \
+        StorageOperationEventHandler, MasterOperationEventHandler
 from neo.exception import PrimaryFailure, OperationFailure
 from neo.pt import PartitionTable
 from neo import protocol