anchor.diff:    src = fetchPyPi {
       package = "pyOpenSSL";
       inherit version;
  -    sha256 = "48abfe9d2bb8eb8d8947c8452b0223b7b1be2383b332f3b4f248fe59ef0bafdd";
  +    sha256 = "5a20a51d35104cd234d056861ace3e7a335aaf1f47fc96726c9e20ac1dc49563";
     };
   
     propagatedBuildInputs = [
  
positive.code:     six
    ];
  
    meta = with stdenv.lib; {
      maintainers = with maintainers; [
        wkennington
      ];
  
negative.code: { stdenv
  , buildPythonPackage
  , fetchPyPi
  , lib
  
  , cryptography
  , six
  }:
  
  let
    version = "17.1.0";
  in
  buildPythonPackage {
    name = "pyOpenSSL-${version}";
  