code: def plasma_get(object_id):
      
      client = ray.worker.global_worker.plasma_client
      plasma_id = ray.pyarrow.plasma.ObjectID(object_id)
      while not client.contains(plasma_id):
          pass
      return client.get(plasma_id)
docs: Get an object directly from plasma without going through object table.
  
      Precondition: plasma_prefetch(object_id) has been called before.