Set explicily uid to temporary RAM wrapper.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@19562 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/SessionTool.py

@@ -49,6 +49,8 @@ class Session(UserDict):
   ## we have our own security policy and do not want Zope's
   _guarded_writes = 1 
   __allow_access_to_unprotected_subobjects__ = 1
+  # XXX (dirty hack): we shouldn't need to explicitly set uid here
+  uid = 'NULL'
   
   ## a handle to current aquisition context
   _aq_context = None