code: def setup_function():
      gc.collect()
  
file_path: cugraph/python/cugraph/cugraph/tests/centrality/test_batch_betweenness_centrality_mg.py
imports: import gc
  import pytest
  import numpy
  from cugraph.dask.common.mg_utils import is_single_gpu
  from cugraph.datasets import karate
  from test_betweenness_centrality import calc_betweenness_centrality, compare_scores
label_desc: Use image node_id 1 for calling a global function with example usage: setup_function() without return types