Summary: 7 instances, 7 unique

Text	Count
# TODO: Very rare cases where the replacement is '<eos>' should be handled gracefully	1
# TODO: fix it after Python2 EOL	1
# TODO: The right place for this offset would be inside	1
# TODO  remove this once we update apex with the fix	1
sample_size = ntokens #TODO why not merge ntokens and sample_size? what is the difference?	1
# TODO: print should really go to logger, this print goes	1
length_target = sample['net_input']['prev_output_tokens'].ne(self.padding_idx).sum(-1).unsqueeze(-1) #TODO doesn't work for dynamic length. change to eos-based method.	1