diff --git a/pkgs/os-specific/linux/setools/default.nix b/pkgs/os-specific/linux/setools/default.nix
index 5a2f180a0ad9..7442815f3a7d 100644
--- a/pkgs/os-specific/linux/setools/default.nix
+++ b/pkgs/os-specific/linux/setools/default.nix
@@ -3,10 +3,7 @@
 , withGraphics ? false
 }:
 
-with lib;
-with python3.pkgs;
-
-buildPythonApplication rec {
+python3.pkgs.buildPythonApplication rec {
   pname = "setools";
   version = "4.5.1";
 
@@ -17,12 +14,12 @@ buildPythonApplication rec {
     hash = "sha256-/6dOzSz2Do4d6TSS50fuak0CysoQ532zJ0bJ532BUCE=";
   };
 
-  nativeBuildInputs = [ cython ];
+  nativeBuildInputs = [ python3.pkgs.cython ];
   buildInputs = [ libsepol ];
-  propagatedBuildInputs = [ enum34 libselinux networkx setuptools ]
-    ++ optionals withGraphics [ pyqt5 ];
+  propagatedBuildInputs = with python3.pkgs; [ enum34 libselinux networkx setuptools ]
+    ++ lib.optionals withGraphics [ pyqt5 ];
 
-  nativeCheckInputs = [ tox checkpolicy ];
+  nativeCheckInputs = [ python3.pkgs.tox checkpolicy ];
   preCheck = ''
     export CHECKPOLICY=${checkpolicy}/bin/checkpolicy
   '';
@@ -33,7 +30,7 @@ buildPythonApplication rec {
     export SEPOL="${lib.getLib libsepol}/lib/libsepol.a"
   '';
 
-  meta = {
+  meta = with lib; {
     description = "SELinux Policy Analysis Tools";
     homepage = "https://github.com/SELinuxProject/setools";
     license = licenses.gpl2Only;