Fix attribut access through self identifier.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@733 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/connection.py

@@ -184,7 +184,7 @@ class Connection(BaseConnection):
                 dump(self.uuid), *(self.addr))
         BaseConnection.close(self)
         for event in self.event_dict.itervalues():
-            em.removeIdleEvent(event)
+            self.em.removeIdleEvent(event)
         self.event_dict.clear()
         self.write_buf = ""
         self.read_buf = ""