diff --git a/pkgs/development/python-modules/pygobject-stubs/default.nix b/pkgs/development/python-modules/pygobject-stubs/default.nix
index 06ec24f1350e..38208b28ad30 100644
--- a/pkgs/development/python-modules/pygobject-stubs/default.nix
+++ b/pkgs/development/python-modules/pygobject-stubs/default.nix
@@ -1,9 +1,10 @@
-{ lib
-, buildPythonPackage
-, fetchFromGitHub
-, pygobject3
-, pythonOlder
-, setuptools
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  pygobject3,
+  pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
@@ -20,9 +21,7 @@ buildPythonPackage rec {
     hash = "sha256-HOAG5c0fjF6RzULc1IDk7hRSlKTqtdXEM6acyJeV0DE=";
   };
 
-  build-system = [
-    setuptools
-  ];
+  build-system = [ setuptools ];
 
   # This package does not include any tests.
   doCheck = false;