Загрузка CPU при Asynchronous Mixins

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class ThreadedTCPServer(SocketServer.ThreadingMixIn, SocketServer.TCPServer):
    allow_reuse_address = True
    daemon_threads = True

if __name__ == "__main__":
    HOST, PORT = "0.0.0.0", 7778

    server = ThreadedTCPServer((HOST, PORT), ThreadedTCPRequestHandler)
    ip, port = server.server_address 
    print "Listen server at %s:%s " % (ip, port) 
     server_thread = threading.Thread(target=server.serve_forever)
    server_thread.daemon = True
    server_thread.start()

    print "Server loop running in thread:", server_thread.name
    while server_thread.daemon == True:
        (newsocket, clientaddr) = server.accept() 
        pass
    server.serve_forever()