diff --git a/examples/pytorch/stable_diffusion/lora/finetune_stable_diffusion_lora.py b/examples/pytorch/stable_diffusion/lora/finetune_stable_diffusion_lora.py
index 325cc7ae..6001af48 100644
--- a/examples/pytorch/stable_diffusion/lora/finetune_stable_diffusion_lora.py
+++ b/examples/pytorch/stable_diffusion/lora/finetune_stable_diffusion_lora.py
@@ -20,7 +20,8 @@ class StableDiffusionLoraArguments(TrainingArgs):
         })
 
     lora_rank: int = field(
-        default=4, metadata={
+        default=4,
+        metadata={
             'help': 'The rank size of lora intermediate linear.',
         })