🐛 Bug

Describe the bug Unable to download IWSLT2016 or IWSLT2017 datasets.

To Reproduce Steps to reproduce the behavior:

from torchtext.datasets import IWSLT2016 train, valid, test = IWSLT2016() src, tgt = next(iter(train)) 

The same error occurs when trying to use IWSLT2017.

Expected behavior The program returns the next src, tgt pair in the training data.

Screenshots Full error logs are in this gist.

Environment Included in gist above.

Additional context No additional context.