diff --git a/pkgs/development/python-modules/yalexs/default.nix b/pkgs/development/python-modules/yalexs/default.nix
index ed9681d4ed0f..0400906ea883 100644
--- a/pkgs/development/python-modules/yalexs/default.nix
+++ b/pkgs/development/python-modules/yalexs/default.nix
@@ -1,19 +1,20 @@
-{ lib
-, aiofiles
-, aiohttp
-, aioresponses
-, aiounittest
-, buildPythonPackage
-, ciso8601
-, fetchFromGitHub
-, pubnub
-, pyjwt
-, pytestCheckHook
-, python-dateutil
-, pythonOlder
-, requests
-, requests-mock
-, setuptools
+{
+  lib,
+  aiofiles,
+  aiohttp,
+  aioresponses,
+  aiounittest,
+  buildPythonPackage,
+  ciso8601,
+  fetchFromGitHub,
+  pubnub,
+  pyjwt,
+  pytestCheckHook,
+  python-dateutil,
+  pythonOlder,
+  requests,
+  requests-mock,
+  setuptools,
 }:
 
 buildPythonPackage rec {
@@ -36,9 +37,7 @@ buildPythonPackage rec {
       --replace-fail '"vol",' ""
   '';
 
-  build-system = [
-    setuptools
-  ];
+  build-system = [ setuptools ];
 
   dependencies = [
     aiofiles
@@ -60,9 +59,7 @@ buildPythonPackage rec {
     requests-mock
   ];
 
-  pythonImportsCheck = [
-    "yalexs"
-  ];
+  pythonImportsCheck = [ "yalexs" ];
 
   meta = with lib; {
     description = "Python API for Yale Access (formerly August) Smart Lock and Doorbell";