human
Solve the following python programming problem given the following code:
@ pytest.inlineCallbacks 
def test_dht_multi(self, monkeypatch) : 
    iface = '0.0.0.0' 
    a = None 
    b = None 
    q = Queue.Queue () 
    def server_started(aa, * args) : 
        for b in args : 
            if isinstance (b, twisted.python.failure.Failure) : 
                b.printTraceback () 
else : 
                _log.debug (('** %s' % b)) 
q.put ([aa, args]) 
try : 
        amount_of_servers = 5 
        servers = [] 
        callbacks = [] 
        for servno in range (0, amount_of_servers) : 
            a = AutoDHTServer () 
            servers.append (a) 
            callback = CalvinCB (server_started, str (servno)) 
            servers [servno].start (get_def, network = 'Niklas', cb = callback, name = (name + '{}'.format (servno))) 
            callbacks.append (callback) 
started = [] 
        while (len (started) < amount_of_servers) : 
            try : 
                server = (yield threads.defer_to_thread (q.get)) 
except Queue.Empty : 
                _log.debug ('Queue empty!') 
if (server not in started) : 
                started.append (server) 
                callbacks [int (server [0] [0])].func = (lambda * args, **kvargs : None) 
else : 
                print ('Server: {} already started. {} out of {}'.format (started, len (started), amount_of_servers)) 
print ('All {} out of {} started'.format (started, len (started), amount_of_servers)) 
        for servno in range (0, amount_of_servers) : 
            assert ([str (servno), self._sucess_start] in started) 
(yield threads.defer_to_thread (q.queue.clear)) 
        (yield threads.defer_to_thread (time.sleep, 8)) 
        key = 'HARE' 
        value = json.dumps (['morot']) 
        set_def = servers [0].append (key = key, value = value) 
        set_value = (yield threads.defer_to_thread (set_def.wait, 10)) 
        assert set_value 
        print ('Node with port {} posted append key={}, value={}'.format (servers [0].dht_server.port.getHost ().port, key, value)) 
        value = json.dumps (['selleri']) 
       ...

    
    

    Fix the buggy line: servers [servno].start (get_def, network = 'Niklas', cb = callback, name = (name + '{}'.format (servno)))
assistant
#Here is Python program to fix the buggy line: servers [servno].

servers [servno].start (iface, network = 'Niklas', cb = callback, name = (name + '{}'.format (servno)))