{ ... }:
final: prev: {
  python3 = prev.python3.override {
    packageOverrides = _pyFinal: pyPrev: {
      radios = pyPrev.radios.overridePythonAttrs (old: {
        nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ pyPrev.pythonRelaxDepsHook ];
        pythonRelaxDeps = [ "pycountry" ];
      });
    };
  };
  python3Packages = final.python3.pkgs;
}