anchor.diff:  
     cmakeFlags = let
       options = {
  -      PYTHON_EXECUTABLE = "${python}/bin/python";
  +      PYTHON_EXECUTABLE = "${python3.interpreter}";
         NANO_SHARED_BOOST = "ON";
         BOOST_ROOT = boost;
         RAIBLOCKS_GUI = "ON";
  
positive.code: { lib, stdenv, fetchFromGitHub, cmake, pkg-config, wrapQtAppsHook, boost, libGL
  , qtbase, python }:
  
  stdenv.mkDerivation rec {
  
  
negative.code: 
    nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
    buildInputs = [ boost libGL qtbase ];
  
    strictDeps = true;
  
    buildPhase = ''
      runHook preBuild
  