Update data_args.py

src/llmtuner/hparams/data_args.py

@@ -116,4 +116,4 @@ class DataArguments:
                 dataset_attr.response_column = dataset_info[name]["columns"].get("response", None)
                 dataset_attr.history_column = dataset_info[name]["columns"].get("history", None)
 
-            self.dataset_list.append(dataset_attr)
+            self.dataset_list.append(dataset_attr)