anchor.diff:  { lib
   , buildPythonPackage
   , fetchFromGitHub
  -, fetchpatch
   , poetry-core
   , python
   , pythonOlder
  
positive.code: 
  buildPythonPackage rec {
    pname = "async-dns";
    version = "1.1.9";
    disabled = pythonOlder "3.6";
    format = "pyproject";
  
  
negative.code:     owner = "gera2ld";
      repo = "async_dns";
      rev = "v${version}";
      sha256 = "1yxmdlf2n66kp2mprsd4bvfsf63l4c4cfkjm2rm063pmlifz2fvj";
    };
  
    nativeBuildInputs = [
      poetry-core
    ];
  
    checkPhase = ''
  