How to use the pythonping.icmp function in pythonping

def listen_for(self, packet_id, timeout):
        """Listens for a packet of a given id for a given timeout

        :param packet_id: The ID of the packet to listen for, the same for request and response
        :type packet_id: int
        :param timeout: How long to listen for the specified packet, in seconds
        :type timeout: float
        :return: The response to the request with the specified packet_id
        :rtype: Response"""
        time_left = timeout
        response = icmp.ICMP()
        while time_left > 0:
            # Keep listening until a packet arrives
            raw_packet, source_socket, time_left = self.socket.receive(time_left)
            # If we actually received something
            if raw_packet != b'':
                response.unpack(raw_packet)
                # Ensure we have not unpacked the packet we sent (RHEL will also listen to outgoing packets)
                if response.id == packet_id and response.message_type != icmp.Types.EchoRequest.type_id:
                    return Response(Message('', response, source_socket[0]), timeout-time_left)
        return Response(None, timeout)

def send_ping(self, packet_id, sequence_number, payload):
        """Sends one ICMP Echo Request on the socket

        :param packet_id: The ID to use for the packet
        :type packet_id: int
        :param sequence_number: The seuqnce number to use for the packet
        :type sequence_number: int
        :param payload: The payload of the ICMP message
        :type payload: bytes"""
        self.socket.send(icmp.ICMP(
            icmp.Types.EchoRequest,
            payload=payload,
            identifier=packet_id, sequence_number=sequence_number).packet)