diff --git a/fastchat/serve/moderation/moderator.py b/fastchat/serve/moderation/moderator.py
index 90b0299ec..41751d29a 100644
--- a/fastchat/serve/moderation/moderator.py
+++ b/fastchat/serve/moderation/moderator.py
@@ -41,7 +41,7 @@ def reset_moderation_flags(self):
         self.text_flagged = False
         self.csam_flagged = False
         self.nsfw_flagged = False
-    
+
     def image_and_text_moderation_filter(
         self, image: Image, text: str
     ) -> Dict[str, Dict[str, Union[str, Dict[str, float]]]]: