diff --git a/eventlet/hubs/hub.py b/eventlet/hubs/hub.py
index bdc9b67..3479df7 100644
--- a/eventlet/hubs/hub.py
+++ b/eventlet/hubs/hub.py
@@ -34,7 +34,7 @@ class FdListener(object):
     def __call__(self, *args, **kw):
         return self.cb(*args, **kw)
     def __repr__(self):
-        return "%s(%r, %r, %r)" % (type(self).__name__, self._evtype, self._fileno, self._cb)
+        return "%s(%r, %r, %r)" % (type(self).__name__, self.evtype, self.fileno, self.cb)
     __str__ = __repr__
     
     
diff --git a/eventlet/hubs/twistedr.py b/eventlet/hubs/twistedr.py
index a2ea2e4..a54da0d 100644
--- a/eventlet/hubs/twistedr.py
+++ b/eventlet/hubs/twistedr.py
@@ -181,6 +181,9 @@ class BaseTwistedHub(object):
     def get_timers_count(self):
         from twisted.internet import reactor
         return len(reactor.getDelayedCalls())
+        
+    def closed(self, fileno):
+        pass
 
 
 class TwistedHub(BaseTwistedHub):