From 5b972a04476398f6d70813ef10c25784db05bc35 Mon Sep 17 00:00:00 2001
From: Denis Bilenko <denis@ag-projects.com>
Date: Thu, 11 Dec 2008 14:02:14 +0600
Subject: [PATCH] better error message in twisted hub

---
 eventlet/hubs/twistedr.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eventlet/hubs/twistedr.py b/eventlet/hubs/twistedr.py
index 8aa90a3..6b9f00e 100644
--- a/eventlet/hubs/twistedr.py
+++ b/eventlet/hubs/twistedr.py
@@ -235,7 +235,7 @@ class TwistedHub(BaseTwistedHub):
     installSignalHandlers = False
 
     def __init__(self):
-        assert Hub.state==0, ('This hub can only be instantiated once', Hub.state)
+        assert Hub.state==0, ('%s hub can only be instantiated once' % type(self).__name__, Hub.state)
         Hub.state = 1
         make_twisted_threadpool_daemonic() # otherwise the program would hang after the main greenlet exited
         g = greenlet(self.run)