Fix run_glue evaluation when model has a label correspondence #10401
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What does this PR do?
The
run_glue
script uses the correspondence id to label stored in a given model but when usingthat correspondence is reset. This PR fixes that, along with a few other bugs in the script. To confirm MNLI evaluation does take the correspondence in a model config
python examples/text-classification/run_glue.py --model_name_or_path roberta-large-mnli --task_name mnli --max_seq_length 128 --output_dir ~/tmp/test-mnli --do_eval
gices 90.6%/90.1% accuracy (matched/mismatched) after this PR, vs 4.28%/4.86% accuracy on current master.