code: def tmpdir():
      """
      Create a tmp dir for downloads, etc., run a test, then cleanup when the
      test is done.
      """
      tmpd = TemporaryDirectory()
      yield tmpd
      # teardown
      tmpd.cleanup()
  
imports: import os
  import gc
  from pathlib import Path
  from tempfile import TemporaryDirectory
  import pandas
  import pytest
  import cudf
  import dask_cudf
  from cugraph.structure import Graph
  from cugraph.testing import RAPIDS_DATASET_ROOT_DIR_PATH, ALL_DATASETS, WEIGHTED_DATASETS, SMALL_DATASETS, BENCHMARKING_DATASETS
  from cugraph import datasets
  from cugraph.dask.common.mg_utils import is_single_gpu
label_desc: Use image node_id 1 for calling a global function with example usage: tmpdir() without return types