Bug fix.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@2457 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/FormulatorPatch.py

@@ -500,6 +500,9 @@ SingleItemsWidget.render_items = SingleItemsWidget_render_items
 from Products.Formulator.Widget import MultiItemsWidget
 
 def MultiItemsWidget_render_items(self, field, key, value, REQUEST):
+  # list is needed, not a tuple
+  if type(value) is type(()):
+      value = list(value)
   # need to deal with single item selects
   if type(value) is not type([]):
       value = [value]