def process_reply(self, data, address, worker, rtime):
        try:
            cookie, result = data.split(None, 1)
        except:
            print('Rtp_proxy_client_udp.process_reply(): invalid response %s' % data)
            return
        parameters = self.pending_requests.pop(cookie, None)
        if parameters == None:
            return
        next_retr, triesleft, timer, command, result_callback, stime, callback_parameters = parameters
        timer.cancel()
        if result_callback != None:
            result_callback(result.strip(), *callback_parameters)
        self.delay_flt.apply(stime - rtime)
        #print 'Rtp_proxy_client_udp.process_reply(): delay %f' % (rtime - stime)
dataset/ETHPy150Open sippy/b2bua/sippy/Rtp_proxy_client_udp.py/Rtp_proxy_client_udp.process_reply/swapped operands of `-`