Traceback (most recent call last):

 "/home/xbf/Desktop/vmaf-master/python/test/quality_runner_test.py", line 534, in test_run_parallel_vamf_runner_with_model
'model_filepath':config.ROOT + "/resource/model/nflx_vmaff_rf_v1.pkl",

 "/home/xbf/Desktop/vmaf-master/python/core/executor.py", line 415, in run_executors_in_parallel
results = [executor.results[0] for executor in executors]AttributeError: 'NoneType' object has no attribute 'results'
Traceback (most recent call last):

 "site-packages/algorithm.py", line 288, in run
new_state = function(**deps.as_kwargs)

 "aspen/algorithms/website.py", line 75, in get_response_for_resource
return {'response': resource.respond(request)}

 "aspen/resources/dynamic_resource.py", line 56, in respond
exec self.pages[1] in context

 "/app/www/on/%platform/associate.spt", line 29, in <module>
sess = platform.handle_auth_callback(url, query_id, query_data)

 "gratipay/elsewhere/__init__.py", line 273, in handle_auth_callback
authorization_response=url)

 "requests_oauthlib/oauth2_session.py", line 160, in fetch_token
self._client.parse_request_body_response(r.text, scope=self.scope)

 "oauthlib/oauth2/rfc6749/clients/base.py", line 409, in parse_request_body_response
self.token = parse_token_response(body, scope=scope)

 "oauthlib/oauth2/rfc6749/parameters.py", line 376, in parse_token_response
validate_token_parameters(params)

 "oauthlib/oauth2/rfc6749/parameters.py", line 386, in validate_token_parameters
raise MissingTokenError(description="Missing access token parameter.")MissingTokenError: (missing_token) Missing access token parameter.