docs: def get_credentials(cls, consumer_key, code):
          '''
          Fetches access token from using the request token and consumer key
  
          '''
          headers = {
              'X-Accept': 'application/json',
          }
          url = 'https://getpocket.com/v3/oauth/authorize'
          payload = {
              'consumer_key': consumer_key,
              'code': code,
          }
  
          return cls._make_request(url, payload, headers)[0]