How to use the canopen.Network function in canopen

def test_time_producer(self):
        network = canopen.Network()
        network.connect(bustype="virtual", receive_own_messages=True)
        producer = canopen.timestamp.TimeProducer(network)
        producer.transmit(1486236238)
        msg = network.bus.recv(1)
        network.disconnect()
        self.assertEqual(msg.arbitration_id, 0x100)
        self.assertEqual(msg.dlc, 6)
        self.assertEqual(msg.data, b"\xb0\xa4\x29\x04\x31\x43")

def setUp(self):
        network = canopen.Network()
        network.add_node(2, EDS_PATH)
        network.add_node(3, network[2].object_dictionary)
        self.network = network

def setUp(self):
        network = canopen.Network()
        network.send_message = self._send_message
        node = network.add_node(2, EDS_PATH)
        node.sdo.RESPONSE_TIMEOUT = 0.01
        self.network = network

def setUpClass(cls):
        cls.network1 = canopen.Network()
        cls.network1.connect("test", bustype="virtual")
        cls.remote_node = cls.network1.add_node(2, EDS_PATH)

        cls.network2 = canopen.Network()
        cls.network2.connect("test", bustype="virtual")
        cls.local_node = cls.network2.create_node(2, EDS_PATH)

def setUpClass(cls):
        cls.network1 = canopen.Network()
        cls.network1.connect("test", bustype="virtual")
        cls.remote_node = cls.network1.add_node(2, EDS_PATH)

        cls.network2 = canopen.Network()
        cls.network2.connect("test", bustype="virtual")
        cls.local_node = cls.network2.create_node(2, EDS_PATH)

        cls.remote_node2 = cls.network1.add_node(3, EDS_PATH)

        cls.local_node2 = cls.network2.create_node(3, EDS_PATH)

import canopen
import sys
import os
import traceback

import time

try:

    # Start with creating a network representing one CAN bus
    network = canopen.Network()

    # Connect to the CAN bus
    network.connect(bustype='kvaser', channel=0, bitrate=1000000)

    network.check()

    # Add some nodes with corresponding Object Dictionaries
    node = canopen.BaseNode402(35, '/home/andre/Code/test/jupiter.eds')
    network.add_node(node)
    # network.add_node(34, '/home/andre/Code/test/jupiter.eds')
    # node = network[34]

    # Reset network
    node.nmt.state = 'RESET COMMUNICATION'
    #node.nmt.state = 'RESET'
    node.nmt.wait_for_bootup(15)