anchor.diff:  
     postFixup = ''
       wrapPythonPrograms
  +    wrapProgram $out/bin/ceph-mgr --set PYTHONPATH $out/lib/python2.7/site-packages
     '';
   
     enableParallelBuilding = true;
  
positive.code:     ps.pecan
      ps.prettytable
      ps.webob
  	]);
  
  in
  
negative.code: 
    nativeBuildInputs = [
      cmake
      pkgconfig which git python2Packages.wrapPython makeWrapper
      (ensureNewerSourcesHook { year = "1980"; })
    ];
    
  