use accessor instead of getting attribute (thanks to Jerome !)

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23679 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Core/CacheFactory.py

@@ -67,7 +67,7 @@ class CacheFactory(XMLObject):
     """ get ordered list of installed cache plugins in ZODB """
     cache_plugins = self.objectValues(self.allowed_types)
     cache_plugins = map(None, cache_plugins)
-    cache_plugins.sort(lambda x,y: cmp(x.int_index, y.int_index))
+    cache_plugins.sort(lambda x,y: cmp(x.getIntIndex(0), y.getIntIndex(0)))
     return  cache_plugins
     
   security.declareProtected(Permissions.AccessContentsInformation, 'getRamCacheFactory')