prevent aquisition when doing getObject() on cells

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4580 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -1595,7 +1595,7 @@ onChange="submitAction(this.form,'%s/portal_selections/setReportRoot')">
                 if tales_expr:
                   #
                   real_o = o
-                  if hasattr(o,'getObject'): # we have a line of sql result
+                  if hasattr(aq_base(o),'getObject'): # we have a line of sql result
                     real_o = o.getObject()
                   field_kw = {'cell':real_o}
                   attribute_value = my_field.__of__(real_o).get_value('default',**field_kw)