anchor.diff:  , mock
   , pkgs
   , urllib3
  +, paramiko
   , pythonOlder
   }:
   
   buildPythonPackage rec {
  -  version = "0.20.35";
  +  version = "0.20.36";
     pname = "dulwich";
     format = "setuptools";
   
  
positive.code:     gpgme
      pkgs.gnupg
      mock
    ];
  
    doCheck = !stdenv.isDarwin;
  
negative.code: 
    src = fetchPypi {
      inherit pname version;
      hash = "sha256-2s7xVJwSdffS1v7NLyz6O6ozB9AJpRTAwjIDP2uqXSE=";
    };
  
    LC_ALL = "en_US.UTF-8";
  