anchor.diff:        runHook postInstall
       '';
   
  -    meta = with stdenv.lib; {
  +    meta = {
         description = "Generic application framework, providing the foundation for other modules";
         homepage = https://github.com/freevo/kaa-base;
         license = licenses.lgpl21;
  -      maintainers = [ maintainers.DamienCassou ];
  +      maintainers = with maintainers; [ DamienCassou ];
       };
     };
   
  
positive.code:       sha256 = "882650928776a7ca72e67054a9e0ac98f78645f279c0cfb5910db28f03f07c2e";
      };
  
      meta = with stdenv.lib; {
        description = "Library for creating high quality encapsulated Postscript, PDF, PNG, or SVG charts";
        homepage = http://home.gna.org/pychart/;
        license = licenses.gpl2;
  
negative.code:     meta = {
        description = "An event publishing system";
        homepage = http://pypi.python.org/pypi/zope.event;
        license = licenses.zpt20;
        maintainers = with maintainers; [ goibhniu ];
      };
    };
  
  