Traceback (most recent call last):


 "/usr/local/bin/t5_mesh_transformer", line 8, in <module>

sys.exit(console_entry_point())


 "/usr/local/lib/python3.6/dist-packages/t5/models/mesh_transformer_main.py", line 261, in console_entry_point

app.run(main)


 "/usr/local/lib/python3.6/dist-packages/absl/app.py", line 300, in run

_run_main(main, args)


 "/usr/local/lib/python3.6/dist-packages/absl/app.py", line 251, in _run_main

sys.exit(main(argv))


 "/usr/local/lib/python3.6/dist-packages/t5/models/mesh_transformer_main.py", line 239, in main

score_mode=(FLAGS.mode == "export_score"))


 "/usr/local/lib/python3.6/dist-packages/t5/models/mtf_model.py", line 470, in export

vocabulary = _get_vocabulary()


 "/usr/local/lib/python3.6/dist-packages/t5/models/mtf_model.py", line 68, in _get_vocabulary

return t5.models.mesh_transformer.get_vocabulary(mixture_or_task_name)


 "/usr/local/lib/python3.6/dist-packages/gin/config.py", line 1078, in gin_wrapper

utils.augment_exception_message_and_reraise(e, err_str)


 "/usr/local/lib/python3.6/dist-packages/gin/utils.py", line 49, in augment_exception_message_and_reraise

six.raise_from(proxy.with_traceback(exception.__traceback__), None)


 "<string>", line 3, in raise_from


 "/usr/local/lib/python3.6/dist-packages/gin/config.py", line 1055, in gin_wrapper

return fn(*new_args, **new_kwargs)


 "/usr/local/lib/python3.6/dist-packages/t5/models/mesh_transformer.py", line 213, in get_vocabulary

provider = t5.data.get_mixture_or_task(mixture_or_task_name)


 "/usr/local/lib/python3.6/dist-packages/t5/data/dataset_providers.py", line 1054, in get_mixture_or_task

task_or_mixture_name)
ValueError: No Task or Mixture found with name: natural_questions_open_test

Traceback (most recent call last):

 "install.py", line 153, in <module>
install_bench(args)

 "install.py", line 58, in install_bench
run_playbook('develop/install.yml', sudo=True)

 "install.py", line 131, in run_playbook
success = subprocess.check_call(args, cwd=os.path.join(bench_repo, 'playbooks'))

 "/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 540, in check_call
raise CalledProcessError(retcode, cmd)subprocess.CalledProcessError: Command '['ansible-playbook', '-c', 'local', 'develop/install.yml', '-K']' returned non-zero exit status 2