@property
    def hb_channel(self):
        if self._hb_channel is None:
            self._hb_channel = self.hb_channel_class(self.context, 
                                                       self.session,
                                                       self.hb_address)
        return self._hb_channel
Get the heartbeat socket channel object to check that the
dataset/ETHPy150Open ipython/ipython-py3k/IPython/zmq/kernelmanager.py/KernelManager.hb_channel