code: def _fetch_doctests():
      finder = doctest.DocTestFinder()
      yield from _find_doctests_in_obj(
          finder, cugraph.dask, "dask", _is_public_name
      )
  
imports: import contextlib
  import doctest
  import inspect
  import io
  import os
  import numpy
  import pandas
  import scipy
  import pytest
  import cugraph
  import cudf
  from cugraph.testing import utils
label_desc: Use image node_id 6 for calling a global function with example usage: _fetch_doctests() without return types