anchor.diff:        sha256 = "1wkqgm6anlxvz8dnqx7ki008255nm1mlhak5n9xy6g1yf31fn3l0";
       };
   
  -    propagatedBuildInputs = [ pkgs.twisted pkgs.pyopenssl ];
  +    propagatedBuildInputs = [ twisted pkgs.pyopenssl ];
   
       meta = {
         homepage = http://foolscap.lothar.com/;
  
positive.code:       name = "${name}.tar.gz";
      };
  
      propagatedBuildInputs = [ pkgs.twisted ];
  
      meta = {
        description = "Nevow, a web application construction kit for Python";
  
negative.code:     };
    };
  
    zbase32 = buildPythonPackage (rec {
      name = "zbase32-1.1.1";
  
      src = fetchurl {
        url = "http://pypi.python.org/packages/source/z/zbase32/${name}.tar.gz";
        sha256 = "0n59l4rs26vrhxpsfrwybjjir68aj23f09k1yjnbxqy5n0khp8gm";
      };
  
      # Tests require `pyutil' so disable them to avoid circular references.
      doCheck = false;
  
      buildInputs = [ setuptoolsDarcs ];
  
      meta = {
        description = "zbase32, a base32 encoder/decoder";
  
        homepage = http://pypi.python.org/pypi/zbase32;
  
        license = "BSD";
      };
    });
  
  }
  