anchor.diff:  
       doCheck = false; # requires redis server
       propagatedBuildInputs = with self; [
  -      docker_registry_core blinker flask gevent gunicorn pyyaml
  +      setuptools docker_registry_core blinker flask gevent gunicorn pyyaml
         requests2 rsa sqlalchemy setuptools backports_lzma pyasn1
       ];
  +
  +    patchPhase = "> requirements/main.txt";
   
       # Default config uses needed env variables
       postInstall = ''
  
positive.code:       boto redis setuptools simplejson
      ];
  
      meta = {
        description = "Docker registry core package";
        homepage = https://github.com/docker/docker-registry;
  
negative.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;
  
  