anchor.diff:  
     passthru = {
       setup = projectDscPath: attrs: {
  -      buildInputs = [ python python.tkinter ] ++
  +      buildInputs = [ pythonEnv ] ++
           stdenv.lib.optionals (attrs ? buildInputs) attrs.buildInputs;
   
         configurePhase = ''
  
positive.code:     sha256 = "0s9ywb8w7xzlnmm4kwzykxkrdaw53b7pky121cc9wjkllzqwyxrb";
    };
  
    buildInputs = [ libuuid python python.tkinter ];
  
    makeFlags = "-C BaseTools";
  
  
negative.code: { stdenv, fetchgit, libuuid, python, iasl }:
  
  let
    pythonEnv = python.withPackages(ps: [ps.tkinter]);
  
  targetArch = if stdenv.isi686 then
    "IA32"
  