code: def example_graph():
      return example_graph_random()
  
file_path: stellargraph/tests/core/test_utils.py
imports: import pytest
  import numpy
  from stellargraph.core.utils import *
  from ..test_utils import flaky_xfail_mark
  from ..test_utils.graphs import example_graph_random
label_desc: Use image node_id 1 for calling a global function with example usage: example_graph() and returns: example_graph_random