anchor.diff:        maintainers = [ stdenv.lib.maintainers.iElectric ];
       };
     };
  -  
  +
     cryptography = buildPythonPackage rec {
       name = "cryptography-0.6.1";
  -    
  +
       src = pkgs.fetchurl {
         url = "https://pypi.python.org/packages/source/c/cryptography/${name}.tar.gz";
         sha256 = "17ij2acy28ryxahiq64lpf71d5z3sa9xhr4pjv7a1v81189i0j82";
       };
  -    
  +
       buildInputs = [ pkgs.openssl self.pretend self.cryptography_vectors
                       self.iso8601 self.pyasn1 self.pytest ];
       propagatedBuildInputs = [ self.six self.cffi  ];
     };
  -  
  +
     cryptography_vectors = buildPythonPackage rec {
       name = "cryptography_vectors-0.6.1";
  -    
  +
       src = pkgs.fetchurl {
         url = "https://pypi.python.org/packages/source/c/cryptography-vectors/${name}.tar.gz";
         sha256 = "1ks1xdb1ff74qmjdzqcfvkrwsbnwpsjgg3cy18zh37p8985cvl3r";
       };
     };
  -  
  +
     pretend = buildPythonPackage rec {
       name = "pretend-1.0.8";
   
  
positive.code:       platforms = stdenv.lib.platforms.mesaPlatforms;
      };
    };
    
    pyopenssl = buildPythonPackage rec {
      name = "pyopenssl-${version}";
      version = "0.14";
      
      src = pkgs.fetchurl {
        url = "https://pypi.python.org/packages/source/p/pyOpenSSL/pyOpenSSL-0.14.tar.gz";
        sha256 = "0vpfqhng4cky7chliknkxv910iabqbfcxvkjiankh08jkkjvi7d9";
      };
      
      # 17 tests failing
      doCheck = false;
  
  
negative.code:       boto redis setuptools simplejson
      ];
  
      patchPhase = "> requirements/main.txt";
  
      meta = {
        description = "Docker registry core package";
        homepage = https://github.com/docker/docker-registry;
  