code: def stop_cugraph_dask_client():
      from cugraph.dask.comms import comms as Comms
  
      Comms.destroy()
  
      from dask.distributed import get_client
  
      get_client().close()
  
imports: from ogb.nodeproppred import NodePropPredDataset
  import time
  import argparse
  import gc
  import torch
  import numpy
  from torch_geometric.nn import CuGraphSAGEConv
  import torch.nn
  import torch.nn.functional
  import torch.distributed
  import torch.multiprocessing
  from torch.nn.parallel import DistributedDataParallel
  from typing import List
label_desc: Use image node_id 4 for calling a global function with example usage: stop_cugraph_dask_client() without return types