environment/lib/python2.7/site-packages/IPython/zmq/kernelmanager.py
def is_beating(self):
        """Is the heartbeat running and responsive (and not paused)."""
        if self.is_alive() and not self._pause and self._beating:
            return True
        else:
            return False
def is_beating(self):
        """Is the heartbeat running and responsive (and not paused)."""
        if self.is_alive() and not self._pause and self._beating:
            return True
        else:
            return False
Is the heartbeat running and responsive (and not paused).