anchor.diff:  { stdenv
  +, fetchpatch
   , buildPythonPackage
   , fetchPypi
   , swig2
  
positive.code:     sha256 = "a1b2751cdadc6afac3df8a5799676b7b7c67a6ad144bb62d38563062e7cd3fc6";
    };
  
    buildInputs = [ swig2 openssl ];
  
    propagatedBuildInputs = [ typing ];
  
negative.code:     description = "A Python crypto and SSL toolkit";
      homepage = http://chandlerproject.org/Projects/MeTooCrypto;
      license = licenses.mit;
      maintainers = with maintainers; [ andrew-d ];
    };
  
  }
  