diff --git a/src/llmtuner/model/patcher.py b/src/llmtuner/model/patcher.py
index e3d7539f..03ca0096 100644
--- a/src/llmtuner/model/patcher.py
+++ b/src/llmtuner/model/patcher.py
@@ -320,7 +320,7 @@ def patch_model(
         or (gen_config.typical_p is not None and gen_config.typical_p != 1.0)
     ):
         gen_config.do_sample = True
-    
+
     if "GenerationMixin" not in str(model.generate.__func__):
         model.generate = MethodType(PreTrainedModel.generate, model)