diff --git a/.flake8 b/.flake8
index 9767df30c..df9469dfe 100644
--- a/.flake8
+++ b/.flake8
@@ -11,6 +11,7 @@ per-file-ignores =
 
     # invalid escape sequence (cause by tex formular), W605
     icefall/utils.py: E501, W605
+
 exclude =
   .git,
   **/data/**,