anchor.diff:    };
   
     
  +  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";
   
  
positive.code:     };
    }));
  
    mutagen = buildPythonPackage (rec {
      name = "mutagen-1.20";
  
  
negative.code: 
      propagatedBuildInputs = [ greenlet ];
  
      PYTHON_EGG_CACHE = "`pwd`/.egg-cache";
  
      doCheck = false; # !!! fix; tests access the network
  
  