environment/lib/python2.7/site-packages/IPython/frontend/html/notebook/handlers.py
def stop_hb(self):
        """Stop the heartbeating and cancel all related callbacks."""
        if self._beating:
            self._beating = False
            self._hb_periodic_callback.stop()
            if not self.hb_stream.closed():
                self.hb_stream.on_recv(None)
def stop_hb(self):
        """Stop the heartbeating and cancel all related callbacks."""
        if self._beating:
            self._beating = False
            self._hb_periodic_callback.stop()
            if not self.hb_stream.closed():
                self.hb_stream.on_recv(None)
Stop the heartbeating and cancel all related callbacks.