diff --git a/pkgs/development/python-modules/cdcs/default.nix b/pkgs/development/python-modules/cdcs/default.nix
index 9baf0bb566b0..38c643cd10a4 100644
--- a/pkgs/development/python-modules/cdcs/default.nix
+++ b/pkgs/development/python-modules/cdcs/default.nix
@@ -1,15 +1,16 @@
-{ lib
-, buildPythonPackage
-, fetchFromGitHub
-, ipython
-, numpy
-, pandas
-, pytestCheckHook
-, pythonOlder
-, requests
-, responses
-, setuptools
-, tqdm
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  ipython,
+  numpy,
+  pandas,
+  pytestCheckHook,
+  pythonOlder,
+  requests,
+  responses,
+  setuptools,
+  tqdm,
 }:
 
 buildPythonPackage rec {
@@ -26,9 +27,7 @@ buildPythonPackage rec {
     hash = "sha256-HhAzULVWkKOWDJ6IZyBy0MYc/YGAFkSTLIgpdyvw1eI=";
   };
 
-  build-system = [
-    setuptools
-  ];
+  build-system = [ setuptools ];
 
   dependencies = [
     ipython
@@ -43,9 +42,7 @@ buildPythonPackage rec {
     responses
   ];
 
-  pythonImportsCheck = [
-    "cdcs"
-  ];
+  pythonImportsCheck = [ "cdcs" ];
 
   meta = with lib; {
     description = "Python client for performing REST calls to configurable data curation system (CDCS) databases";