code: def index(self, group_name):
      try:
          return self.queue._queue.index(group_name)
      except ValueError:
          return -1
  
imports: import asyncio
  import time
  from typing import List
  import numpy
  import ray
  import ray.experimental.internal_kv
  from ray._raylet import GcsClient
  from ray.util.collective.types import ReduceOp, torch_available
  from ray.util.queue import _QueueActor
label_desc: Use image node_id 1 for calling the glooQueue obj's underlying member method code with example usage: obj.index(group_name) and returns: self, unknown