diff --git a/egs/wenetspeech/ASR/local/make_syllable_lexicon.py b/egs/wenetspeech/ASR/local/make_syllable_lexicon.py
index 7d26f4874..40a6a5f8b 100755
--- a/egs/wenetspeech/ASR/local/make_syllable_lexicon.py
+++ b/egs/wenetspeech/ASR/local/make_syllable_lexicon.py
@@ -15,9 +15,7 @@ def get_args():
     return parser.parse_args()
 
 
-def process_line(
-    line: str
-) -> None:
+def process_line(line: str) -> None:
     """
     Args:
       line: