code: def main(path, pid, queue):
      
      setup_logging()
  
      if pid:
          with open(os.path.expanduser(pid), "w") as f:
              f.write(str(os.getpid()))
  
      if not path:
          path = os.getcwd()
  
      sys.path.insert(0, path)
  
      queue = import_queue(queue)
  
      import psq
  
      worker = psq.Worker(queue=queue)
  
      worker.listen()
docs: Standalone PSQ worker.
  
      The queue argument must be the full importable path to a psq.Queue
      instance.
  
      Example usage:
  
          psqworker config.q
  
          psqworker --path /opt/app queues.fast