code: def init():
      
      if "_" not in builtins.__dict__:  # avoid installing lang two times
          os.environ["LANGUAGE"] = inginious.input.get_lang()
          if inginious.DEBUG:
              gettext.install("messages", get_lang_dir_path())
          else:
              gettext.install("messages", get_lang_dir_path())
docs: Install gettext with the default parameters