$ python download_data.py
Traceback (most recent call last):
File "download_data.py", line 78, in <module>
start_download(args.dataset, args.save_to, args.force)
File "download_data.py", line 56, in start_download
os.mkdir(save_to)
OSError: [Errno 2] No such file or directory: 'data/mnist'
Originally was failing with following error: