code: def client(cluster):
      client = Client(cluster)
      yield client
      client.close()
  
file_path: cuml/python/cuml/benchmark/automated/dask/conftest.py
imports: import pytest
  from dask_cuda import initialize
  from dask_cuda import LocalCUDACluster
  from dask_cuda.utils_test import IncreasedCloseTimeoutNanny
  from dask.distributed import Client
label_desc: Use image node_id 2 for calling a global function with example usage: client(cluster) without return types