diff --git a/docs/api_reference/conf.py b/docs/api_reference/conf.py
index d16ed7b2347..acc77ab2aa6 100644
--- a/docs/api_reference/conf.py
+++ b/docs/api_reference/conf.py
@@ -87,14 +87,15 @@ class Beta(BaseAdmonition):
 def setup(app):
     app.add_directive("example_links", ExampleLinksDirective)
     app.add_directive("beta", Beta)
-    app.connect('autodoc-skip-member', skip_private_members)
+    app.connect("autodoc-skip-member", skip_private_members)
+
 
 def skip_private_members(app, what, name, obj, skip, options):
     if skip:
         return True
-    if hasattr(obj, '__doc__') and obj.__doc__ and ':private:' in obj.__doc__:
+    if hasattr(obj, "__doc__") and obj.__doc__ and ":private:" in obj.__doc__:
         return True
-    if name == '__init__' and obj.__objclass__ is object:
+    if name == "__init__" and obj.__objclass__ is object:
         # dont document default init
         return True
     return None