python3Packages.beautiful-date: modernize

pkgs/development/python-modules/beautiful-date/default.nix

@@ -8,15 +8,17 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "beautiful-date";
   version = "2.3.0";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchFromGitHub {
     owner = "kuzmoyev";
     repo = "beautiful-date";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-e6YJBaDwWqVehxBPOvsIdV4FIXlIwj29H5untXGJvT0=";
   };
 
@@ -37,4 +39,4 @@ buildPythonPackage rec {
     license = lib.licenses.mit;
     maintainers = [ ];
   };
-}
+})