anchor.diff:  
   buildPythonPackage rec {
     pname = "gvm-tools";
  -  version = "21.6.1";
  +  version = "21.10.0";
     format = "pyproject";
   
     disabled = pythonOlder "3.7";
  
positive.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , fetchpatch
  , poetry-core
  , pytestCheckHook
  , python-gvm
  
negative.code:     owner = "greenbone";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-LGdbqkIKdmtUOGSoCme6oVG1aCbtASSxi9K9f3khafA=";
    };
  
    nativeBuildInputs = [
  