def METHOD_NAME(self, *args, **kwargs):
    channel = self.get_channel(**kwargs)
    citrus_topic = TopicNode(source_id="List_of_citrus_fruits", title="Citrus!")
    channel.add_child(citrus_topic)
    add_subpages_from_wikipedia_list(
        citrus_topic, "https://en.wikipedia.org/wiki/List_of_citrus_fruits"
    )
    potato_topic = TopicNode(
        source_id="List_of_potato_cultivars", title="Potatoes!"
    )
    channel.add_child(potato_topic)
    add_subpages_from_wikipedia_list(
        potato_topic, "https://en.wikipedia.org/wiki/List_of_potato_cultivars"
    )
    return channel