add do_lower_case tokenizer loading optino in run_squad and ine_tuning examples

examples/run_lm_finetuning.py

@@ -515,7 +515,7 @@ def main():
         raise ValueError("Output directory ({}) already exists and is not empty.".format(args.output_dir))
     os.makedirs(args.output_dir, exist_ok=True)
 
-    tokenizer = BertTokenizer.from_pretrained(args.bert_model)
+    tokenizer = BertTokenizer.from_pretrained(args.bert_model, do_lower_case=args.do_lower_case)
 
     #train_examples = None
     num_train_steps = None

examples/run_squad.py

@@ -786,7 +786,7 @@ def main():
         raise ValueError("Output directory () already exists and is not empty.")
     os.makedirs(args.output_dir, exist_ok=True)
 
-    tokenizer = BertTokenizer.from_pretrained(args.bert_model)
+    tokenizer = BertTokenizer.from_pretrained(args.bert_model, do_lower_case=args.do_lower_case)
 
     train_examples = None
     num_train_steps = None