{
  config,
  lib,
  pkgs,
  ...
}:

{
  options = {
    apps.development.languages = {
      python.enable = lib.mkEnableOption "enable python";
    };
  };

  config = {
    environment.systemPackages =
      with pkgs;
      [
      ]
      ++ (if config.apps.development.languages.python.enable then [ virtualenv ] else [ ]);
  };
}