def test_authenticated_token(self):
        client = Client(**CLIENT_CONFIG)
        client.authorization_endpoint = 'https://example.com/as'

        sid = rndstr(8)
        args = {'redirect_uri': "http://localhost:8087/authz", "state": sid,
                "response_type": 'token'}

        url, body, ht_args, csi = client.request_info(AuthorizationRequest,
                                                      'GET', request_args=args)

        QUERY_STRING = url.split("?")[1]
        resp = self.provider.authorization_endpoint(QUERY_STRING)
        auth_resp = parse_qs(urlparse(resp.message).fragment)

        assert "access_token" is not auth_resp
        assert auth_resp["token_type"][0] == "Bearer"
dataset/ETHPy150Open rohe/pyoidc/tests/test_ext_provider.py/TestProvider.test_authenticated_token/operator `in` -> `is not`