Prevent infinitely trying to get portal_skins. This happens in very rare cases.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@18379 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/CMFCoreSkinnable.py

@@ -69,8 +69,11 @@ def CMFCoreSkinnableSkinnableObjectManager___getattr__(self, name):
       try:
         return resolve[name]
       except KeyError:
-        if not ignore.has_key(name):
+        if not ignore.has_key(name) and name != 'portal_skins':
+          try:
             portal_skins = aq_base(self.portal_skins)
+          except AttributeError:
+            raise AttributeError, name
           try:
             skin_selection_mapping = portal_skins._v_skin_location_list
           except AttributeError: