anchor.diff:  
   buildPythonPackage rec {
     pname = "rich";
  -  version = "12.4.4";
  +  version = "12.5.1";
     format = "pyproject";
     disabled = pythonOlder "3.6";
   
  
positive.code:     owner = "Textualize";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-DW6cKJ5bXZdHGzgbYzTS+ryjy71dU9Lcy+egMXL30F8=";
    };
  
    nativeBuildInputs = [ poetry-core ];
  
negative.code: { lib
  , stdenv
  , buildPythonPackage
  , fetchFromGitHub
  , pythonOlder
  