How to use the nhentai.constant.LOGIN_URL function in nhentai

def login(username, password):
    logger.warning('This feature is deprecated, please use --cookie to set your cookie.')
    csrf_token = _get_csrf_token(request('get', url=constant.LOGIN_URL).text)
    if os.getenv('DEBUG'):
        logger.info('Getting CSRF token ...')

    if os.getenv('DEBUG'):
        logger.info('CSRF token is {}'.format(csrf_token))

    login_dict = {
        'csrfmiddlewaretoken': csrf_token,
        'username_or_email': username,
        'password': password,
    }
    resp = request('post', url=constant.LOGIN_URL, data=login_dict)

    if 'You\'re loading pages way too quickly.' in resp.text or 'Really, slow down' in resp.text:
        csrf_token = _get_csrf_token(resp.text)
        resp = request('post', url=resp.url, data={'csrfmiddlewaretoken': csrf_token, 'next': '/'})

    if 'Invalid username/email or password' in resp.text:
        logger.error('Login failed, please check your username and password')
        exit(1)

    if 'You\'re loading pages way too quickly.' in resp.text or 'Really, slow down' in resp.text:
        logger.error('Using nhentai --cookie \'YOUR_COOKIE_HERE\' to save your Cookie.')
        exit(2)

def request(method, url, **kwargs):
    session = requests.Session()
    session.headers.update({
        'Referer': constant.LOGIN_URL,
        'User-Agent': 'nhentai command line client (https://github.com/RicterZ/nhentai)',
        'Cookie': constant.COOKIE
    })
    return getattr(session, method)(url, proxies=constant.PROXY, verify=False, **kwargs)

def login(username, password):
    logger.warning('This feature is deprecated, please use --cookie to set your cookie.')
    csrf_token = _get_csrf_token(request('get', url=constant.LOGIN_URL).text)
    if os.getenv('DEBUG'):
        logger.info('Getting CSRF token ...')

    if os.getenv('DEBUG'):
        logger.info('CSRF token is {}'.format(csrf_token))

    login_dict = {
        'csrfmiddlewaretoken': csrf_token,
        'username_or_email': username,
        'password': password,
    }
    resp = request('post', url=constant.LOGIN_URL, data=login_dict)

    if 'You\'re loading pages way too quickly.' in resp.text or 'Really, slow down' in resp.text:
        csrf_token = _get_csrf_token(resp.text)
        resp = request('post', url=resp.url, data={'csrfmiddlewaretoken': csrf_token, 'next': '/'})