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# Module: `kernel.zmq.heartbeat`

The client and server for a basic ping-pong style heartbeat.

## 1 Class

class `IPython.kernel.zmq.heartbeat.``Heartbeat`(context, addr=None)

  Bases: `threading.Thread`

  A simple ping-pong style heartbeat that runs in a thread.

  `__init__`(context, addr=None)

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