Raise exceptions instead of asserts (#13907)

utils/download_glue_data.py

@@ -68,8 +68,10 @@ def format_mrpc(data_dir, path_to_data):
         mrpc_test_file = os.path.join(mrpc_dir, "msr_paraphrase_test.txt")
         urllib.request.urlretrieve(MRPC_TRAIN, mrpc_train_file)
         urllib.request.urlretrieve(MRPC_TEST, mrpc_test_file)
-    assert os.path.isfile(mrpc_train_file), "Train data not found at %s" % mrpc_train_file
-    assert os.path.isfile(mrpc_test_file), "Test data not found at %s" % mrpc_test_file
+    if not os.path.isfile(mrpc_train_file):
+        raise ValueError(f"Train data not found at {mrpc_train_file}")
+    if not os.path.isfile(mrpc_test_file):
+        raise ValueError(f"Test data not found at {mrpc_test_file}")
     urllib.request.urlretrieve(TASK2PATH["MRPC"], os.path.join(mrpc_dir, "dev_ids.tsv"))
 
     dev_ids = []
@@ -118,7 +120,8 @@ def get_tasks(task_names):
     else:
         tasks = []
         for task_name in task_names:
-            assert task_name in TASKS, "Task %s not found!" % task_name
+            if task_name not in TASKS:
+                raise ValueError(f"Task {task_name} not found!")
             tasks.append(task_name)
     return tasks