diff --git a/benchmark/paddle/image/plotlog.py b/benchmark/paddle/image/plotlog.py
index 41f535d9850d1d44bd8b3bfe9f614251e29703fe..8679d4f272d1b7aaf8d5a397f07698a6b70e4fcd 100644
--- a/benchmark/paddle/image/plotlog.py
+++ b/benchmark/paddle/image/plotlog.py
@@ -109,5 +109,6 @@ def main():
         line_style='g-',
         line_label='accuracy')
 
+
 if __name__ == '__main__':
     main()