python3Packages.colorlover: modernize

pkgs/development/python-modules/colorlover/default.nix

@@ -5,14 +5,16 @@
   setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "colorlover";
   version = "0.3.0";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchPypi {
-    inherit pname version;
-    sha256 = "b8fb7246ab46e1f5e6715649453c1762e245a515de5ff2d2b4aab7a6e67fa4e2";
+    inherit (finalAttrs) pname version;
+    hash = "sha256-uPtyRqtG4fXmcVZJRTwXYuJFpRXeX/LStKq3puZ/pOI=";
   };
 
   build-system = [ setuptools ];
@@ -20,10 +22,12 @@ buildPythonPackage rec {
   # no tests included in distributed archive
   doCheck = false;
 
+  pythonImportsCheck = [ "colorlover" ];
+
   meta = {
     homepage = "https://github.com/jackparmer/colorlover";
     description = "Color scales in Python for humans";
     license = lib.licenses.mit;
     maintainers = [ ];
   };
-}
+})