diff --git a/notebook/templates/tree.html b/notebook/templates/tree.html
index 59d6db2729..82fd6b25af 100644
--- a/notebook/templates/tree.html
+++ b/notebook/templates/tree.html
@@ -1,4 +1,5 @@
 {% extends "page.html" %}
+
 {% block title %}{{page_title}}{% endblock %}