code: def keepalive(self, address, port):
          
  
          address = self._process_value(address, 'ipaddr')
          port = self._process_value(port, 'int')
  
          payload = {"address": address, "port": port}
  
          resp = self.call('keepalive', payload)
  
          return resp == {}
docs: Tells the node to send a keepalive packet to **address**:**port**
  
          .. enable_control required
  
          :param address: IP address of node to send keepalive packet to
          :type address: str
  
          :param port: Port of node to send keepalive packet to
          :type port: int
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.keepalive(address="::ffff:192.168.1.1", port=1024)
          True