Remove unneeded parameter.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2060 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/storage/transactions.py

@@ -188,7 +188,7 @@ class TransactionManager(object):
             Store an object received from client node
         """
         # check if the object if locked
-        locking_tid = self._store_lock_dict.get(oid, None)
+        locking_tid = self._store_lock_dict.get(oid)
         if locking_tid == tid:
             logging.info('Transaction %s storing %s more than once', dump(tid),
                 dump(oid))