djhtml: Migrate to by-name (#425186)

pkgs/development/tools/djhtml/default.nix pkgs/by-name/dj/djhtml/package.nix

···
 {
   lib,
-  buildPythonApplication,
+  python3Packages,
   fetchFromGitHub,
-  setuptools,
 }:
-buildPythonApplication rec {
+python3Packages.buildPythonApplication rec {
   pname = "djhtml";
   version = "3.0.8";
   pyproject = true;
···
     hash = "sha256-1bopV6mjwjXdoIN9i3An4NvSpeGcVlQ24nLLjP/UfQU=";
   };
 
-  build-system = [ setuptools ];
+  build-system = [ python3Packages.setuptools ];
 
   pythonImportsCheck = [ "djhtml" ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/rtts/djhtml";
     description = "Django/Jinja template indenter";
     changelog = "https://github.com/rtts/djhtml/releases/tag/${src.tag}";
-    license = licenses.gpl3Plus;
-    maintainers = [ ];
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ ];
     mainProgram = "djhtml";
   };
 }

pkgs/top-level/all-packages.nix

···
     }
   );
 
-  djhtml = python3Packages.callPackage ../development/tools/djhtml { };
-
   dnf-plugins-core = with python3Packages; toPythonApplication dnf-plugins-core;
 
   dnf4 = python3Packages.callPackage ../development/python-modules/dnf4/wrapper.nix { };