Trouble Code

gistfile1.py

class PickitSession(FlaskView):
    route_base = '/'

    def __init__(self):
        self.CONSUMER_KEY = '41815-cd31a16ee9750c7a782f9cde'
        self.ACCESS_TOKEN = ''
        self.REDIRECT_URI = 'http://127.0.0.1:5000'
        self.OAUTH_REQUEST_URL = 'https://getpocket.com/v3/oauth/request'
        self.AUTH_URL = 'https://getpocket.com/auth/authorize'
        self.OAUTH_ACCESS_URL = 'https://getpocket.com/v3/oauth/authorize'
        self.HEADERS = {'Content-Type': 'application/json; charset=UTF-8', 'X-Accept': 'application/json'}
        self.USERNAME = ''
        self.GET_URL = 'https://getpocket.com/v3/get'

    def authenticate(self):
        data = {'consumer_key': self.CONSUMER_KEY, 'redirect_uri': self.REDIRECT_URI}
        response = r.post(self.OAUTH_REQUEST_URL, headers=self.HEADERS, data=json.dumps(data))
        json_response = json.loads(response.text)
        self.AUTH_URL = self.AUTH_URL + '?request_token=' + json_response[
            'code'] + '&redirect_uri=' + self.REDIRECT_URI + '/auth_redirect/' + json_response['code']
        webbrowser.open_new_tab(self.AUTH_URL)

    @route('/auth_redirect/<code>')
    def authorize(self, code):
        # TODO finally redirect page to success.html - Might need to change the whole redirect URI and update the
        # route to point to /success.html or something like that
        data = {'consumer_key': self.CONSUMER_KEY, 'code': code}
        auth_response = r.post(self.OAUTH_ACCESS_URL, headers=self.HEADERS, data=json.dumps(data))
        json_response = json.loads(auth_response.text)
        self.ACCESS_TOKEN = json_response['access_token']
        self.USERNAME = json_response['username']
        print(self.ACCESS_TOKEN, self.USERNAME)
        main_menu()
        shutdown_server()
        return

    def view_articles(self):
        data = {'count': 20, 'detailType': 'simple', 'consumer_key': self.CONSUMER_KEY,
                'access_token': self.ACCESS_TOKEN}
        print(data)
        print(self.USERNAME)
        articles = r.post(self.GET_URL, headers=self.HEADERS, data=json.dumps(data))
        # TODO articlesappend('list next article')
        # msg = 'Choose \"list next article\" to get the next articles chronologically.'
        print(articles.text)
        return articles.text