anchor.diff:    };
   
   
  -  bugz = buildPythonPackage (rec {
  -    name = "bugz-0.9.3";
  -
  -    src = fetchgit {
  -      url = "https://github.com/williamh/pybugz.git";
  -      rev = "refs/tags/0.9.3";
  -    };
  -
  -    propagatedBuildInputs = [ argparse python.modules.ssl ];
  -
  -    doCheck = false;
  -
  -    meta = {
  -      homepage = http://www.liquidx.net/pybugz/;
  -      description = "Command line interface for Bugzilla";
  -    };
  -  });
  +  # bugz = buildPythonPackage (rec {
  +  #   name = "bugz-0.9.3";
  +
  +  #   src = fetchgit {
  +  #     url = "https://github.com/williamh/pybugz.git";
  +  #     rev = "refs/tags/0.9.3";
  +  #   };
  +
  +  #   propagatedBuildInputs = [ argparse python.modules.ssl ];
  +
  +  #   doCheck = false;
  +
  +  #   meta = {
  +  #     homepage = http://www.liquidx.net/pybugz/;
  +  #     description = "Command line interface for Bugzilla";
  +  #   };
  +  # });
   
   
     carrot = buildPythonPackage rec {
  
positive.code:   #     url = "http://pypi.python.org/packages/source/h/hgsvn/${name}.tar.gz#md5=56209eae48b955754e09185712123428";
    #     sha256 = "18a7bj1i0m4shkxmdvw1ci5i0isq5vqf0bpwgrhnk305rijvbpch";
    #   };
  
    #   buildInputs = [ pkgs.setuptools ];
    #   doCheck = false;
  
    #   meta = {
    #     description = "HgSVN";
    #     homepage = http://pypi.python.org/pypi/hgsvn;
    #   };
  
negative.code:     };
    });
  
    # optfunc = buildPythonPackage ( rec {
    #   name = "optfunc-git";
    #
    #   src = pkgs.fetchgit {
    #     url = "https://github.com/simonw/optfunc.git";
    #     rev = "e3fa034a545ed94ac5a039cf5b170c7d0ee21b7b";
    #   };
    #
    #   installCommand = ''
    #     dest=$(toPythonPath $out)/optfunc
    #     mkdir -p $dest
    #     cp * $dest/
    #   '';
    #
    #   doCheck = false;
    #
    #   meta = {
    #     description = "A new experimental interface to optparse which works by introspecting a function definition";
    #     homepage = "http://simonwillison.net/2009/May/28/optfunc/";
    #   };
    # });
  
    ply = buildPythonPackage (rec {
      name = "ply-3.2";
  