code: def _find_doctests_in_docstring(finder, member):
      for docstring in finder.find(member):
          if docstring.examples:
              yield docstring
  
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 4 for calling a global function with example usage: _find_doctests_in_docstring(finder, member) without return types