code: def daemon_stop(pidfile, sig=None):
      
      logger.debug("stop daemon application pidfile={pidfile}.".format(pidfile=pidfile))
      pid = load_pid(pidfile)
      logger.debug("load pid={pid}".format(pid=pid))
      if not pid:
          six.print_("Application is not running or crashed...", file=os.sys.stderr)
          os.sys.exit(195)
      process_kill(pid, sig)
      return pid
docs: Stop application.