--- a/MPIWGRoot.py	Thu May 30 16:12:14 2013 +0200
+++ b/MPIWGRoot.py	Thu May 30 18:44:55 2013 +0200
@@ -1,12 +1,10 @@
 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
 from App.ImageFile import ImageFile
-from OFS.Image import Image
 from Globals import package_home
 import string
 import os
 import logging
 from OFS.Folder import Folder
-from AccessControl import ClassSecurityInfo
 import sys
 
 from Products.ZSQLExtend.ZSQLExtend import ZSQLExtendFolder
@@ -146,7 +144,7 @@
 
     def getSections(self):
         """returns a list of all sections i.e. top-level MPIWGFolders"""
-        items = self.objectValues(spec='MPIWGFolder')[:]
+        items = self.objectValues(spec='MPIWGFolder')
         items.sort(key=lambda x:getInt(getattr(x, 'weight', '0')))
         return items