video-game-sales-xgboost.ipynb failed CI

Link to the notebook:
https://github.com/aws/amazon-sagemaker-examples/blob/master/introduction_to_applying_machine_learning/video_game_sales/video-game-sales-xgboost.ipynb

Error:

---------------------------------------------------------------------------
Exception encountered at "In [2]":
---------------------------------------------------------------------------
ClientError Traceback (most recent call last)
in
2
3 s3 = boto3.resource('s3', region_name=region)
----> 4 s3.Bucket(bucket).download_file(raw_data_filename, 'raw_data.csv')
5
6 data = pd.read_csv('./raw_data.csv')

/opt/conda/lib/python3.7/site-packages/boto3/s3/inject.py in bucket_download_file(self, Key, Filename, ExtraArgs, Callback, Config)
244 return self.meta.client.download_file(
245 Bucket=self.name, Key=Key, Filename=Filename,
--> 246 ExtraArgs=ExtraArgs, Callback=Callback, Config=Config)
247
248

/opt/conda/lib/python3.7/site-packages/boto3/s3/inject.py in download_file(self, Bucket, Key,

[...]

ClientError: An error occurred (404) when calling the HeadObject operation: Not Found