anchor.diff:      };
     }));
   
  +
  +  mox = buildPythonPackage rec {
  +    name = "mox-0.5.3";
  +
  +    src = fetchurl {
  +      url = "http://pymox.googlecode.com/files/${name}.tar.gz";
  +      sha1 = "b71aeaacf31898c3b38d8b9ca5bcc0664499c0de";
  +    };
  +
  +    doCheck = false;
  +
  +    meta = {
  +      homepage = http://code.google.com/p/pymox/;
  +      description = "A mock object framework for Python.";
  +    };
  +  };
  +
  +  
     mutagen = buildPythonPackage (rec {
       name = "mutagen-1.20";
   
  
positive.code:     meta = {
        homepage = http://code.google.com/p/python-gflags/;
        description = "A module for command line handling, similar to Google's gflags for C++";
      };
    };
  
  
negative.code:   };
  
    
    markdown = buildPythonPackage rec {
      version = "2.0.3";
      name = "markdown-${version}";
  
      src = fetchurl {
        url = "http://pypi.python.org/packages/source/M/Markdown/Markdown-2.0.3.tar.gz";
        md5 = "751e8055be2433dfd1a82e0fb1b12f13";
      };
  
      doCheck = false;
  
      meta = {
        homepage = http://www.freewisdom.org/projects/python-markdown;
      };
    };
  
    
    matplotlib = buildPythonPackage ( rec {
      name = "matplotlib-0.99.1.2";
  
  