removed Expression in default for acquisition_portal_type

- ERP5Type/Utils.py:1396 expects default to be a list
- ERP5Type/Accessor/List.py default getter does not try to evaluate 'default'


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4344 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFCategory/PropertySheet/BaseCategory.py

@@ -26,8 +26,6 @@
 #
 ##############################################################################
 
-from Products.CMFCore.Expression import Expression
-
 class BaseCategory:
     """
         Properties for BaseCategory Objects
@@ -47,7 +45,7 @@ class BaseCategory:
         {   'id'          : 'acquisition_portal_type',
             'description' : 'The portal types to browse',
             'type'        : 'tales',
-            'default'     : Expression('python: []'),
+            'default'     : [],
             'multivalued' : 1,
             'mode'        : 'w' },
         {   'id'          : 'fallback_base_category',