docs: def worker_wrapper(worker_instance, pid_path):
      """
      A wrapper to start RQ worker as a new process.
  
      :param worker_instance: RQ's worker instance
      :param pid_path: A file to check if the worker
          is running or not
      """
      def exit_handler(*args):
          """
          Remove pid file on exit
          """
          if len(args) > 0:
              print("Exit py signal {signal}".format(signal=args[0]))
          remove(pid_path)
  
      atexit.register(exit_handler)
      signal.signal(signal.SIGINT, exit_handler)
      signal.signal(signal.SIGTERM, exit_handler)
  
      worker_instance.work()
  
      # Remove pid file if the process can not catch signals
      exit_handler(2)