diff --git a/pkgs/by-name/pr/pre-commit/package.nix b/pkgs/by-name/pr/pre-commit/package.nix
index d11b373aada0..517f6fc3ef85 100644
--- a/pkgs/by-name/pr/pre-commit/package.nix
+++ b/pkgs/by-name/pr/pre-commit/package.nix
@@ -1,18 +1,19 @@
-{ lib
-, fetchFromGitHub
-, python3Packages
-, libiconv
-, cargo
-, coursier
-, dotnet-sdk
-, git
-, glibcLocales
-, go
-, nodejs
-, perl
-, cabal-install
-, testers
-, pre-commit
+{
+  lib,
+  fetchFromGitHub,
+  python3Packages,
+  libiconv,
+  cargo,
+  coursier,
+  dotnet-sdk,
+  git,
+  glibcLocales,
+  go,
+  nodejs,
+  perl,
+  cabal-install,
+  testers,
+  pre-commit,
 }:
 
 with python3Packages;
@@ -81,24 +82,26 @@ buildPythonApplication rec {
     "--forked"
   ];
 
-  preCheck = lib.optionalString (!(stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64)) ''
-    # Disable outline atomics for rust tests on aarch64-linux.
-    export RUSTFLAGS="-Ctarget-feature=-outline-atomics"
-  '' + ''
-    export GIT_AUTHOR_NAME=test GIT_COMMITTER_NAME=test \
-           GIT_AUTHOR_EMAIL=test@example.com GIT_COMMITTER_EMAIL=test@example.com \
-           VIRTUALENV_NO_DOWNLOAD=1 PRE_COMMIT_NO_CONCURRENCY=1 LANG=en_US.UTF-8
+  preCheck =
+    lib.optionalString (!(stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64)) ''
+      # Disable outline atomics for rust tests on aarch64-linux.
+      export RUSTFLAGS="-Ctarget-feature=-outline-atomics"
+    ''
+    + ''
+      export GIT_AUTHOR_NAME=test GIT_COMMITTER_NAME=test \
+             GIT_AUTHOR_EMAIL=test@example.com GIT_COMMITTER_EMAIL=test@example.com \
+             VIRTUALENV_NO_DOWNLOAD=1 PRE_COMMIT_NO_CONCURRENCY=1 LANG=en_US.UTF-8
 
-    # Resolve `.NET location: Not found` errors for dotnet tests
-    export DOTNET_ROOT="${dotnet-sdk.unwrapped}/share/dotnet"
+      # Resolve `.NET location: Not found` errors for dotnet tests
+      export DOTNET_ROOT="${dotnet-sdk.unwrapped}/share/dotnet"
 
-    export HOME=$(mktemp -d)
+      export HOME=$(mktemp -d)
 
-    git init -b master
+      git init -b master
 
-    python -m venv --system-site-packages venv
-    source "$PWD/venv/bin/activate"
-  '';
+      python -m venv --system-site-packages venv
+      source "$PWD/venv/bin/activate"
+    '';
 
   postCheck = ''
     deactivate