DOC: add omitted default value for closed() in Client example

y-p · y-p · commit f193ce9f8ed4 · 2013-02-27T01:41:59.000+02:00
The library contains calls which do not provide the argument,
causing the example to die with an exception.
diff --git a/docs/clienttutorial.rst b/docs/clienttutorial.rst
@@ -25,7 +25,7 @@ An example is better than any word so let's have a look at a basic client:
                 print i
             	self.send("*" * i)
 
-        def closed(self, code, reason):
+        def closed(self, code, reason=None):
             print "Closed down", code, reason
 
         def received_message(self, m):
