diff --git a/src/calibre/db/categories.py b/src/calibre/db/categories.py
index 324d081ea2..07b7c50cd5 100644
--- a/src/calibre/db/categories.py
+++ b/src/calibre/db/categories.py
@@ -141,7 +141,6 @@ def category_display_order(ordered_cats, all_cats):
     return cat_ord
 
 
-
 numeric_collation = prefs['numeric_collation']