diff --git a/pkgs/development/python-modules/tbm-utils/default.nix b/pkgs/development/python-modules/tbm-utils/default.nix
index e1ce85737a0e..7f4963ca6dba 100644
--- a/pkgs/development/python-modules/tbm-utils/default.nix
+++ b/pkgs/development/python-modules/tbm-utils/default.nix
@@ -1,16 +1,17 @@
-{ lib
-, stdenv
-, attrs
-, buildPythonPackage
-, fetchFromGitHub
-, fetchpatch
-, pendulum
-, poetry-core
-, pprintpp
-, pytestCheckHook
-, pythonOlder
-, pythonRelaxDepsHook
-, wrapt
+{
+  lib,
+  stdenv,
+  attrs,
+  buildPythonPackage,
+  fetchFromGitHub,
+  fetchpatch,
+  pendulum,
+  poetry-core,
+  pprintpp,
+  pytestCheckHook,
+  pythonOlder,
+  pythonRelaxDepsHook,
+  wrapt,
 }:
 
 buildPythonPackage rec {
@@ -47,17 +48,11 @@ buildPythonPackage rec {
       --replace-fail 'poetry.masonry.api' 'poetry.core.masonry.api'
   '';
 
-  pythonRelaxDeps = [
-    "attrs"
-  ];
+  pythonRelaxDeps = [ "attrs" ];
 
-  build-system = [
-    poetry-core
-  ];
+  build-system = [ poetry-core ];
 
-  nativeBuildInputs = [
-    pythonRelaxDepsHook
-  ];
+  nativeBuildInputs = [ pythonRelaxDepsHook ];
 
   propagatedBuildInputs = [
     attrs
@@ -66,9 +61,7 @@ buildPythonPackage rec {
     wrapt
   ];
 
-  nativeCheckInputs = [
-    pytestCheckHook
-  ];
+  nativeCheckInputs = [ pytestCheckHook ];
 
   disabledTests = lib.optionals stdenv.isDarwin [
     # Skip on macOS because /etc/localtime is accessed through the pendulum
@@ -84,9 +77,7 @@ buildPythonPackage rec {
     "tests/test_misc.py"
   ];
 
-  pythonImportsCheck = [
-    "tbm_utils"
-  ];
+  pythonImportsCheck = [ "tbm_utils" ];
 
   meta = with lib; {
     description = "A commonly-used set of utilities";