How to use the tldr.config.get_config function in tldr

def _assert_exception_message(self, expected_message):
        with self.assertRaises(SystemExit) as error:
            get_config()
        assert error.exception.args[0] == expected_message

def find_page_location(command, specified_platform):
    """Find the command man page in the pages directory."""
    repo_directory = get_config()['repo_directory']
    default_platform = get_config()['platform']
    command_platform = (
        specified_platform if specified_platform else default_platform)

    with io.open(path.join(repo_directory, 'pages/index.json'),
                 encoding='utf-8') as f:
        index = json.load(f)
    command_list = [item['name'] for item in index['commands']]
    if command not in command_list:
        sys.exit(
            ("Sorry, we don't support command: {0} right now.\n"
             "You can file an issue or send a PR on github:\n"
             "    https://github.com/tldr-pages/tldr").format(command))

    supported_platforms = index['commands'][
        command_list.index(command)]['platform']
    if command_platform in supported_platforms:

def find_page_location(command, specified_platform):
    """Find the command man page in the pages directory."""
    repo_directory = get_config()['repo_directory']
    default_platform = get_config()['platform']
    command_platform = (
        specified_platform if specified_platform else default_platform)

    with io.open(path.join(repo_directory, 'pages/index.json'),
                 encoding='utf-8') as f:
        index = json.load(f)
    command_list = [item['name'] for item in index['commands']]
    if command not in command_list:
        sys.exit(
            ("Sorry, we don't support command: {0} right now.\n"
             "You can file an issue or send a PR on github:\n"
             "    https://github.com/tldr-pages/tldr").format(command))

    supported_platforms = index['commands'][
        command_list.index(command)]['platform']

def build_index():
    repo_directory = get_config()['repo_directory']
    index_path = path.join(repo_directory, 'pages', 'index.json')
    page_path = path.join(repo_directory, 'pages')

    tree_generator = os.walk(page_path)
    folders = next(tree_generator)[1]
    commands, new_index = {}, {}
    for folder in folders:
        pages = next(tree_generator)[2]
        for page in pages:
            command_name = path.splitext(page)[0]
            if command_name not in commands:
                commands[command_name] = {'name': command_name,
                                          'platform': [folder]}
            else:
                commands[command_name]['platform'].append(folder)
    command_list = [item[1] for item in

def parse_page(page):
    """Parse the command man page."""
    colors = get_config()['colors']
    with io.open(page, encoding='utf-8') as f:
        lines = f.readlines()
    output_lines = []
    for line in lines[1:]:
        if is_headline(line):
            continue
        elif is_description(line):
            output_lines.append(click.style(line.replace('>', ' '),
                                            fg=colors['description']))
        elif is_old_usage(line):
            output_lines.append(click.style(line, fg=colors['usage']))
        elif is_code_example(line):
            line = '  ' + line if line.startswith('`') else line[2:]
            output_lines.append(click.style(line.replace('`', ''),
                                            fg=colors['command']))
        elif is_line_break(line):