def gettunnel(self, n1num, n2num):
        key = self.tunnelkey(n1num, n2num)
        if key in self.tunnels.keys():
            return self.tunnels[key]
        else:
            return None
Connect client, fetch device list
dataset/ETHPy150Open coreemu/core/daemon/core/broker.py/CoreBroker.gettunnel--crossover with--dataset/ETHPy150Open metafetish/buttplug/tests/test.py/ClaimFlowTests.testClientDeviceListFetch