Add TF2 XLM-RoBERTa model

templates/adding_a_new_example_script/run_xxx.py

@@ -52,7 +52,6 @@ from utils_squad import (
     write_predictions,
     write_predictions_extended,
 )
-
 # The follwing import is the official SQuAD evaluation script (2.0).
 # You can remove it from the dependencies if you are using this script outside of the library
 # We've added it here for automated tests (see examples/test_examples.py file)

templates/adding_a_new_example_script/utils_xxx.py

@@ -21,7 +21,6 @@ import logging
 import math
 
 from transformers.tokenization_bert import BasicTokenizer, whitespace_tokenize
-
 # Required by XLNet evaluation method to compute optimal threshold (see write_predictions_extended() method)
 from utils_squad_evaluate import find_all_best_thresh_v2, get_raw_scores, make_qid_to_has_ans