diff --git a/doc/source/conf.py b/doc/source/conf.py
index ee0bcec..1c590d6 100755
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -20,10 +20,7 @@
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = [
-    "sphinx.ext.autodoc",
-    "openstackdocstheme"
-]
+extensions = ["sphinx.ext.autodoc", "openstackdocstheme"]
 
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
 # text edit cycles.