kube-hunter: remove future

pkgs/by-name/ku/kube-hunter/package.nix

···
 python3.pkgs.buildPythonApplication rec {
   pname = "kube-hunter";
   version = "0.6.8";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "aquasecurity";
     repo = "kube-hunter";
     tag = "v${version}";
-    sha256 = "sha256-+M8P/VSF9SKPvq+yNPjokyhggY7hzQ9qLLhkiTNbJls=";
+    hash = "sha256-+M8P/VSF9SKPvq+yNPjokyhggY7hzQ9qLLhkiTNbJls=";
   };
 
-  nativeBuildInputs = with python3.pkgs; [
-    setuptools-scm
-  ];
+  pythonRemoveDeps = [ "future" ];
 
-  propagatedBuildInputs = with python3.pkgs; [
+  build-system = with python3.pkgs; [ setuptools-scm ];
+
+  dependencies = with python3.pkgs; [
     netaddr
     netifaces
     requests
     prettytable
     urllib3
     ruamel-yaml
-    future
     packaging
     pluggy
     kubernetes
···
       --replace "kubernetes==12.0.1" "kubernetes"
   '';
 
-  pythonImportsCheck = [
-    "kube_hunter"
-  ];
+  pythonImportsCheck = [ "kube_hunter" ];
 
   disabledTests = [
     # Test is out-dated
···
   meta = with lib; {
     description = "Tool to search issues in Kubernetes clusters";
     homepage = "https://github.com/aquasecurity/kube-hunter";
-    license = with licenses; [ asl20 ];
+    changelog = "https://github.com/aquasecurity/kube-hunter/releases/tag/${src.tag}";
+    license = licenses.asl20;
     maintainers = with maintainers; [ fab ];
     mainProgram = "kube-hunter";
   };