Default to accuracy metric (#11405)

examples/pytorch/text-classification/run_glue_no_trainer.py

@@ -367,6 +367,8 @@ def main():
     # Get the metric function
     if args.task_name is not None:
         metric = load_metric("glue", args.task_name)
+    else:
+        metric = load_metric("accuracy")
 
     # Train!
     total_batch_size = args.per_device_train_batch_size * accelerator.num_processes * args.gradient_accumulation_steps