diff --git a/sphinx_copybutton/__init__.py b/sphinx_copybutton/__init__.py
index 953e7f3..62c90c3 100644
--- a/sphinx_copybutton/__init__.py
+++ b/sphinx_copybutton/__init__.py
@@ -1,4 +1,5 @@
 """A small sphinx extension to add "copy" buttons to code blocks."""
+
 from pathlib import Path
 from sphinx.util import logging