anchor.diff:        url = "http://github.com/jsocol/bleach/archive/${version}.tar.gz";
         sha256 = "19v0zhvchz89w179rwkc4ah3cj2gbcng9alwa2yla89691g8b0b0";
       };
  -
  +    
  +    buildInputs = with self; [ nose ];
       propagatedBuildInputs = with self; [ six html5lib ];
   
       meta = {
  
positive.code:       md5 = "17e5668601a2322aff41548cb957e7c8";
      };
  
      buildInputs = with self; [ ];
  
      meta = {
        description = "namespace control and lazy-import mechanism";
  
negative.code:     };
  
      buildInputs = with self; [
        dnspython3 pycountry nose
      ];
  
      preCheck = ''
  