chore: import upstream snapshot with attribution

swift/callbacks/base.py

@@ -0,0 +1,13 @@
+# Copyright (c) ModelScope Contributors. All rights reserved.
+from transformers import TrainerCallback as HfTrainerCallback
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from swift.trainers import Trainer, TrainingArguments
+
+
+class TrainerCallback(HfTrainerCallback):
+
+    def __init__(self, args: 'TrainingArguments', trainer: 'Trainer'):
+        self.args = args
+        self.trainer = trainer