Add _finalize to the class, because tpc_finish is called even when tpc_vote...

Add _finalize to the class, because tpc_finish is called even when tpc_vote was not called from time to time. Weird.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13761 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/TransactionalVariable.py

@@ -63,6 +63,8 @@ class TransactionalVariable(TM, IterableUserDict):
   """TransactionalVariable provides a dict-like look-n-feel.
   This class must not be used directly outside.
   """
+  _finalize = None
+
   def _begin(self, *ignored):
     """It is required to attach this instance to somewhere in
     ZODB so that _finish or _abort will be called at the end