diff --git a/pkgs/development/python-modules/sievelib/default.nix b/pkgs/development/python-modules/sievelib/default.nix
index 6d1534a68d73..4d4e15659c55 100644
--- a/pkgs/development/python-modules/sievelib/default.nix
+++ b/pkgs/development/python-modules/sievelib/default.nix
@@ -1,11 +1,12 @@
-{ lib
-, buildPythonPackage
-, fetchPypi
-, mock
-, pytestCheckHook
-, pythonOlder
-, setuptools-scm
-, typing-extensions
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  mock,
+  pytestCheckHook,
+  pythonOlder,
+  setuptools-scm,
+  typing-extensions,
 }:
 
 buildPythonPackage rec {
@@ -20,22 +21,16 @@ buildPythonPackage rec {
     hash = "sha256-eM8es/WZENFBASjOk1KVbbwkmzxTr7NirOiSLt7F3N8=";
   };
 
-  build-system = [
-    setuptools-scm
-  ];
+  build-system = [ setuptools-scm ];
 
-  dependencies = [
-    typing-extensions
-  ];
+  dependencies = [ typing-extensions ];
 
   nativeCheckInputs = [
     mock
     pytestCheckHook
   ];
 
-  pythonImportsCheck = [
-    "sievelib"
-  ];
+  pythonImportsCheck = [ "sievelib" ];
 
   meta = with lib; {
     description = "Client-side Sieve and Managesieve library";