anchor.diff:    nameparser = buildPythonPackage rec {
       name = "nameparser-${version}";
       version = "0.3.4";
  -    
  +
       src = pkgs.fetchurl {
         url = "https://pypi.python.org/packages/source/n/nameparser/${name}.tar.gz";
         sha256 = "1zi94m99ziwwd6kkip3w2xpnl05r2cfv9iq68inz7np81c3g8vag";
       };
  -    
  +
       meta = {
         description = "A simple Python module for parsing human names into their individual components";
         homepage = https://github.com/derek73/python-nameparser;
  
positive.code:     };
    });
  
  
    oauthlib = buildPythonPackage rec {
      version = "0.7.2";
  
negative.code:     };
    };
  
    appdirs = buildPythonPackage rec {
      name = "appdirs-1.4.0";
  
      src = pkgs.fetchurl {
        url = "https://pypi.python.org/packages/source/a/appdirs/appdirs-1.4.0.tar.gz";
        md5 = "1d17b4c9694ab84794e228f28dc3275b";
      };
  
      meta = with stdenv.lib; {
        description = "A python module for determining appropriate platform-specific dirs";
        homepage = http://github.com/ActiveState/appdirs;
        license = licenses.mit;
      };
    };
  
    application = buildPythonPackage rec {
      name = "python-application-${version}";
  