transformers

f1a5f812 - Update an keyerror on _save_check_point prevent confusion of missing … (#33832)

Update an keyerror on _save_check_point prevent confusion of missing … (#33832) * Update an keyerror on _save_check_point prevent confusion of missing metric keys * Update grammar error and case sensitive. Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com> * adding update KeyError on _evaluate function to align with _save_checkpoint function --------- Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com>