python3Packages.clf: modernize

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

@@ -8,14 +8,16 @@
   pygments,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "clf";
   version = "0.5.7";
   pyproject = true;
 
+  __structuredAttrs = true;
+
   src = fetchPypi {
-    inherit pname version;
-    sha256 = "abc919a1e99667f32fdde15dfb4bc527dbe22cf86a17acb78a449d7f2dfe937e";
+    inherit (finalAttrs) pname version;
+    hash = "sha256-q8kZoemWZ/Mv3eFd+0vFJ9viLPhqF6y3ikSdfy3+k34=";
   };
 
   build-system = [ setuptools ];
@@ -34,6 +36,8 @@ buildPythonPackage rec {
   # No local packages or download links found for requests
   doCheck = false;
 
+  pythonImportsCheck = [ "clf" ];
+
   meta = {
     homepage = "https://github.com/ncrocfer/clf";
     description = "Command line tool to search snippets on Commandlinefu.com";
@@ -41,4 +45,4 @@ buildPythonPackage rec {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ koral ];
   };
-}
+})