tiny fix about badam

src/llamafactory/train/kto/trainer.py

@@ -91,7 +91,8 @@ class CustomKTOTrainer(KTOTrainer):
                 self.ref_model.eval()
 
         if finetuning_args.use_badam:
-            from badam import clip_grad_norm_old_version, BAdamCallback
+            from badam import BAdamCallback, clip_grad_norm_old_version
+
             self.accelerator.clip_grad_norm_ = MethodType(clip_grad_norm_old_version, self.accelerator)
             self.callback_handler.add_callback(BAdamCallback)