anchor.diff:    pname = "urwid";
     version = "2.1.2";
     format = "setuptools";
  -
  -  disabled = isPy27;
   
     src = fetchPypi {
       inherit pname version;
  
positive.code: , buildPythonPackage
  , fetchPypi
  , isPy3k
  , isPy27
  , glibcLocales
  }:
  
  
negative.code:     description = "A full-featured console (xterm et al.) user interface library";
      homepage = "https://urwid.org/";
      license = licenses.lgpl21Plus;
      maintainers = with maintainers; [ SuperSandro2000 ];
    };
  }
  