fastai_lesson1_sagemaker_example.ipynb failed CI

Link to the notebook:
https://github.com/aws/amazon-sagemaker-examples/blob/master/advanced_functionality/fastai_oxford_pets/fastai_lesson1_sagemaker_example.ipynb

Error:

---------------------------------------------------------------------------
Exception encountered at "In [10]":
---------------------------------------------------------------------------
Exception Traceback (most recent call last)
in
7 instance_type=instance_type)
8
----> 9 pets_estimator.fit(data_location)

/opt/conda/lib/python3.6/site-packages/sagemaker/estimator.py in fit(self, inputs, wait, logs, job_name, experiment_config)
667 self._prepare_for_training(job_name=job_name)
668
--> 669 self.latest_training_job = _TrainingJob.start_new(self, inputs, experiment_config)
670 self.jobs.append(self.latest_training_job)
671 if wait:

/opt/conda/lib/python3.6/site-packages/sagemaker/estimator.py in start_new(cls, estimator, inp

[...]

Exception: Failed to run docker,images,-q,520713654638.dkr.ecr.us-west-2.amazonaws.com/sagemaker-pytorch:1.0.0-cpu-py3