diff --git a/pkgs/development/python-modules/mmengine/default.nix b/pkgs/development/python-modules/mmengine/default.nix
index a59db4926b8f..7187fe809875 100644
--- a/pkgs/development/python-modules/mmengine/default.nix
+++ b/pkgs/development/python-modules/mmengine/default.nix
@@ -1,22 +1,23 @@
-{ lib
-, addict
-, buildPythonPackage
-, coverage
-, fetchFromGitHub
-, lmdb
-, matplotlib
-, mlflow
-, numpy
-, opencv4
-, parameterized
-, pytestCheckHook
-, pythonOlder
-, pyyaml
-, rich
-, setuptools
-, termcolor
-, torch
-, yapf
+{
+  lib,
+  addict,
+  buildPythonPackage,
+  coverage,
+  fetchFromGitHub,
+  lmdb,
+  matplotlib,
+  mlflow,
+  numpy,
+  opencv4,
+  parameterized,
+  pytestCheckHook,
+  pythonOlder,
+  pyyaml,
+  rich,
+  setuptools,
+  termcolor,
+  torch,
+  yapf,
 }:
 
 buildPythonPackage rec {
@@ -33,9 +34,7 @@ buildPythonPackage rec {
     hash = "sha256-fKtPDdeKB3vX2mD+Tsicq8KOkPDSACzKK1XLyugdPQ4=";
   };
 
-  build-system = [
-    setuptools
-  ];
+  build-system = [ setuptools ];
 
   dependencies = [
     addict
@@ -57,19 +56,18 @@ buildPythonPackage rec {
     torch
   ];
 
-  preCheck = ''
-    export HOME=$TMPDIR
-  ''
-  # Otherwise, the backprop hangs forever. More precisely, this exact line:
-  # https://github.com/open-mmlab/mmengine/blob/02f80e8bdd38f6713e04a872304861b02157905a/tests/test_runner/test_activation_checkpointing.py#L46
-  # Solution suggested in https://github.com/pytorch/pytorch/issues/91547#issuecomment-1370011188
-  + ''
-    export MKL_NUM_THREADS=1
-  '';
+  preCheck =
+    ''
+      export HOME=$TMPDIR
+    ''
+    # Otherwise, the backprop hangs forever. More precisely, this exact line:
+    # https://github.com/open-mmlab/mmengine/blob/02f80e8bdd38f6713e04a872304861b02157905a/tests/test_runner/test_activation_checkpointing.py#L46
+    # Solution suggested in https://github.com/pytorch/pytorch/issues/91547#issuecomment-1370011188
+    + ''
+      export MKL_NUM_THREADS=1
+    '';
 
-  pythonImportsCheck = [
-    "mmengine"
-  ];
+  pythonImportsCheck = [ "mmengine" ];
 
   disabledTestPaths = [
     # AttributeError