anchor.diff:  
     inherit src version;
   
  -  nativeBuildInputs = [ python3Packages.wrapPython ];
  +  nativeBuildInputs = [ python.pkgs.wrapPython ];
   
     pythonPath = pythonDeps;
   
  
positive.code: { lib, stdenv, fetchFromGitHub, mkYarnPackage, writeText, python3Packages }:
  
  let
    version = "0.2.3";
  
negative.code:     echo "$gunicornScript" > $out/bin/powerdns-admin
      chmod +x $out/bin/powerdns-admin
      wrapProgram $out/bin/powerdns-admin \
        --set PATH ${python.pkgs.python}/bin \
        --set PYTHONPATH $out/share:$program_PYTHONPATH
  
      runHook postInstall
  