def clear(self):
        super(GroupedRequirements, self).clear()
        self.create_default_groups()
def prompt_subreddit(self):
        "Open a prompt to navigate to a different subreddit"

        name = self.term.prompt_input('Enter page: /')
        if name is not None:
            with self.term.loader('Loading page'):
                content = SubredditContent.from_name(
                    self.reddit, name, self.term.loader)
            if not self.term.loader.exception:
                self.selected_subreddit = content
                self.active = False