Traceback (most recent call last):


 "/home/maddoxw/git/OpenAI/gym/gym/envs/registration.py", line 139, in spec

return self.env_specs[id]
KeyError: 'HalfCheetah-v1'

Traceback (most recent call last):


 "/usr/local/lib/python3.5/dist-packages/sagemaker_containers/_trainer.py", line 76, in train

entrypoint()


 "/usr/local/lib/python3.5/dist-packages/sagemaker_xgboost_container/training.py", line 82, in main

train(framework.training_env())


 "/usr/local/lib/python3.5/dist-packages/sagemaker_xgboost_container/training.py", line 78, in train

run_algorithm_mode()


 "/usr/local/lib/python3.5/dist-packages/sagemaker_xgboost_container/training.py", line 46, in run_algorithm_mode

train_path = os.environ[sm_env_constants.SM_CHANNEL_TRAIN]


 "/usr/lib/python3.5/os.py", line 725, in __getitem__

raise KeyError(key) from None
KeyError: 'SM_CHANNEL_TRAIN'
