pytorch_rnn.ipynb failed CI

Link to the notebook:
https://github.com/aws/amazon-sagemaker-examples/blob/master/sagemaker-python-sdk/pytorch_lstm_word_language_model/pytorch_rnn.ipynb

Error:

---------------------------------------------------------------------------
Exception encountered at "In [2]":
---------------------------------------------------------------------------
CalledProcessError Traceback (most recent call last)
in
----> 1 get_ipython().run_cell_magic('bash', '', 'wget https://s3.amazonaws.com/research.metamind.io/wikitext/wikitext-2-raw-v1.zip\nunzip -n wikitext-2-raw-v1.zip\ncd wikitext-2-raw\nmv wiki.test.raw test && mv wiki.train.raw train && mv wiki.valid.raw valid\n')

/opt/conda/lib/python3.6/site-packages/IPython/core/interactiveshell.py in run_cell_magic(self, magic_name, line, cell)
2369 with self.builtin_trap:

[...]

CalledProcessError: Command 'b'wget https://s3.amazonaws.com/research.metamind.io/wikitext/wikitext-2-raw-v1.zip\nunzip -n wikitext-2-raw-v1.zip\ncd wikitext-2-raw\nmv wiki.test.raw test && mv wiki.train.raw train && mv wiki.valid.raw valid\n'' returned non-zero exit status 1.

Open sagemaker-python-sdk/pytorch_lstm_word_language_model/pytorch_rnn.ipynb and inspect the setup commands in cell In [2]. Rerun that cell or the notebook CI check to reproduce the non-zero wget/unzip command, then verify the notebook completes its data setup successfully.

Written by the indexing model from the issue text.