code: def test_weights_dask(dask_client, dataset):
      G = dataset.get_dask_graph(download=True)
      assert G.is_weighted()
      G = dataset.get_dask_graph(download=True, ignore_weights=True)
      assert not G.is_weighted()
  
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 19 for calling a global function with example usage: test_weights_dask(dask_client, dataset) without return types