Explain a raise that is used for the output of neoctl.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2304 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/neoctl/neoctl.py

@@ -44,7 +44,7 @@ class NeoCTL(object):
                 # XXX: this burn the CPU
                 self.em.poll(0)
             if self.connection is None:
-                raise NotReadyException
+                raise NotReadyException('not connected')
         return self.connection
 
     def __ask(self, packet):