Access self.value without calling getattr, as the attribute value must be always present.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29694 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/CachePlugins/BaseCache.py

@@ -69,7 +69,7 @@ class CacheEntry(object):
 
   def getValue(self):
     """ return cached value """ 
-    return getattr(self, 'value', None)
+    return self.value
 
   def __len__(self):
     """return value size