diff --git a/opencompass/datasets/nejmaibench.py b/opencompass/datasets/nejmaibench.py
index 7dd7c418..768f4688 100644
--- a/opencompass/datasets/nejmaibench.py
+++ b/opencompass/datasets/nejmaibench.py
@@ -136,4 +136,4 @@ def answer_cleansing(
             if prediction[0] and prediction[0].endswith('.'):
                 prediction[0] = prediction[0][:-1]
 
-        return prediction[0]
\ No newline at end of file
+        return prediction[0]