anchor.diff:        url = "http://pypi.python.org/packages/source/e/enum/${name}.tar.gz";
         md5 = "ce75c7c3c86741175a84456cc5bd531e";
       };
  +    
  +    doCheck = !isPyPy;
   
       buildInputs = [ ];
   
  
positive.code: 
  
    django_evolution = buildPythonPackage rec {
      name = "django_evolution-0.7.3";
      disabled = isPy3k;
  
      src = fetchurl {
        url = "http://downloads.reviewboard.org/releases/django-evolution/0.7/${name}.tar.gz";
        md5 = "c51895b6501dd58b0e5dc8f5a5fb6f68";
      };
  
      propagatedBuildInputs = [ django_1_5 ];
  
negative.code:       maintainers = with maintainers; [ lovek323 ];
        platforms   = platforms.unix;
      };
    };
  
    kitchen = buildPythonPackage (rec {
  