diff --git a/docs/conf.py b/docs/conf.py
index efc1709cc0d..f1c65238e1d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -27,6 +27,7 @@
 import os
 import sys
 from pathlib import Path
+
 from sphinx_gallery.sorting import ExplicitOrder, FileNameSortKey
 
 import ctapipe