pytorch_smdataparallel_bert_demo.ipynb failed CI

Link to the notebook:
https://github.com/aws/amazon-sagemaker-examples/blob/master/training/distributed_training/pytorch/data_parallel/bert/pytorch_smdataparallel_bert_demo.ipynb

Error:

---------------------------------------------------------------------------
Exception encountered at "In [10]":
---------------------------------------------------------------------------
ParamValidationError Traceback (most recent call last)
in
1 get_ipython().system('pygmentize train.sh')
2
----> 3 estimator.fit(train_fs)

/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, inputs, experimen

[...]

Invalid length for parameter InputDataConfig[0].DataSource.FileSystemDataSource.FileSystemId, value: 8, valid min length: 11