diff -r bb5faa9995d5 -r f090fd705556 Python/BLIP.py
--- a/Python/BLIP.py	Wed Jun 04 21:09:45 2008 -0700
+++ b/Python/BLIP.py	Tue May 05 15:11:02 2009 -0700
@@ -421,7 +421,7 @@
     
     @property
     def sent(self):
-        return 'encoded' in self.__dict__
+        return hasattr(self,'encoded')
     
     def _encode(self):
         "Generates the message's encoded form, prior to sending it."