code: def teardown_module():
      if not _is_single_gpu:
          stop_dask_client(_client, _cluster)
  
file_path: cugraph/python/cugraph/cugraph/tests/generators/test_rmat_mg.py
imports: import pytest
  import dask_cudf
  import cugraph
  from cugraph.generators import rmat
  from cugraph.testing.mg_utils import start_dask_client, stop_dask_client
  from cugraph.dask.common.mg_utils import is_single_gpu
label_desc: Use image node_id 3 for calling a global function with example usage: teardown_module() without return types