code: def destroy(self):
      collective.destroy_collective_group("177")
  
file_path: ray/python/ray/util/collective/examples/nccl_allreduce_multigpu_example.py
imports: import ray
  import cupy
  import ray.util.collective
  from cupy.cuda import Device
label_desc: Use image node_id 4 for calling the Worker obj's underlying member method code with example usage: obj.destroy() without return types