code: def simple_es(request):
      return request.getfixturevalue(request.param)
  
file_path: featuretools/featuretools/tests/entityset_tests/test_plotting.py
imports: import os
  import re
  import graphviz
  import pandas
  import pytest
  from featuretools import EntitySet
  from featuretools.utils.gen_utils import Library
label_desc: Use image node_id 4 for calling a global function with example usage: simple_es(request) and returns: request