--- a/appobject.py	Wed Jun 10 21:02:21 2009 +0200
+++ b/appobject.py	Wed Jun 10 23:29:37 2009 +0200
@@ -25,8 +25,9 @@
 class Cache(dict):
     def __init__(self):
         super(Cache, self).__init__()
-        self.cache_creation_date = None
-        self.latest_cache_lookup = datetime.now()
+        _now = datetime.now()
+        self.cache_creation_date = _now
+        self.latest_cache_lookup = _now
 
 CACHE_REGISTRY = {}