How to use the slackclient.channel.Channel function in slackclient

def test_SlackClient_process_changes(
    slackclient, channel_created_fixture, im_created_fixture
):
    slackclient.process_changes(channel_created_fixture)
    assert type(slackclient.server.channels.find("fun")) == Channel
    slackclient.process_changes(im_created_fixture)
    assert type(slackclient.server.channels.find("U123BL234")) == Channel

def test_channel_is_hashable(channel):
    channel = Channel(
        'test-server',
        'test-channel',
        'C12345678',
    )
    channel_map = {channel: channel.id}
    assert channel_map[channel] == 'C12345678'
    assert (channel_map[channel] == 'foo') is False

def test_server_parse_channel_data(server, rtm_start_fixture):
    server.parse_channel_data(rtm_start_fixture["channels"])
    assert type(server.channels.find('general')) == Channel

def __init__(self):
        self.server = DummyServer()
        self.server.channels.append(Channel(None, test_channel_name, test_channel_id))
        self.server.channels.append(Channel(None, test_group_name, test_group_id))
        self.server.users.append(User(None, test_user_name, test_user_id, test_user_name, None, test_user_email))
        self.topic = 'Test Topic'

def test_channel(channel):
    assert type(channel) == Channel

def attach_channel(self, name, channel_id, members=None):
        if members is None:
            members = []
        if self.channels.find(channel_id) is None:
            self.channels.append(Channel(self, name, channel_id, members))

def attach_channel(self, name, channel_id, members=None):
        if members is None:
            members = []
        if self.channels.find(channel_id) is None:
            self.channels.append(Channel(self, name, channel_id, members))