def _send_heartbeat_frame(self):
        LOGGER.debug('Sending heartbeat frame')
        self._connection._send_frame(self._new_heartbeat_frame())
        self._heartbeat_frames_sent += 1
Send a heartbeat frame on the connection.
dataset/ETHPy150Open pika/pika/pika/heartbeat.py/HeartbeatChecker._send_heartbeat_frame