anchor.diff:    };
   
   
  -  MarkupSafe = buildPythonPackage rec {
  -    name = "MarkupSafe-0.15";
  +  markupsafe = buildPythonPackage rec {
  +    name = "markupsafe-0.15";
   
       src = fetchurl {
         url = "http://pypi.python.org/packages/source/M/MarkupSafe/${name}.tar.gz";
  
positive.code:     };
    });
  
    jinja2 = buildPythonPackage {
      name = "jinja2-2.6";
  
      src = fetchurl {
        url = "http://pypi.python.org/packages/source/J/Jinja2/Jinja2-2.6.tar.gz";
        md5 = "1c49a8825c993bfdcf55bb36897d28a2";
      };
  
      meta = {
        homepage = http://jinja.pocoo.org/;
  
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;
  