anchor.diff:        md5 = "daf7cc50f997533b573f9b40193139a2";
       };
   
  -    buildInputs = [ MarkupSafe nose ];
  -    propagatedBuildInputs = [ MarkupSafe ];
  +    buildInputs = [ markupsafe nose ];
  +    propagatedBuildInputs = [ markupsafe ];
   
       meta = {
         description = "Super-fast templating language.";
  
positive.code:   };
  
  
    MarkupSafe = buildPythonPackage rec {
      name = "MarkupSafe-0.15";
  
      src = fetchurl {
        url = "http://pypi.python.org/packages/source/M/MarkupSafe/${name}.tar.gz";
  
negative.code:       md5 = "32749ffadfc40fea51075a7def32588b";
      };
  
      buildInputs = [ routes markupsafe webob nose ];
  
      # TODO: failing tests https://bitbucket.org/bbangert/webhelpers/pull-request/1/fix-error-on-webob-123/diff
      doCheck = false;
  