diff --git a/examples/models/llama/eval_llama_lib.py b/examples/models/llama/eval_llama_lib.py
index 78c9e57d4c..fcd63ece71 100644
--- a/examples/models/llama/eval_llama_lib.py
+++ b/examples/models/llama/eval_llama_lib.py
@@ -318,9 +318,7 @@ def eval_llama(
         print(f"{task}: {res}")
 
 
-def eval_llama_with_attention_sink(
-    model_name: str, args: argparse.ArgumentParser
-):
+def eval_llama_with_attention_sink(model_name: str, args: argparse.ArgumentParser):
     """
     Evaluate the model's perplexity when AttentionSink is enabled.