code: def parse_raw_token(self, raw_token):
          
          if raw_token is None:
              return (None, None, None)
          qs = parse_qs(raw_token)
          token = qs.get('oauth_token', [None])[0]
          token_secret = qs.get('oauth_token_secret', [None])[0]
          return (token, token_secret, None)
docs: Parse token and secret from raw token response.