code: def role(sagemaker_session):
      return get_execution_role(sagemaker_session)
  
file_path: sagemaker-python-sdk/tests/integ/sagemaker/workflow/test_callback_steps.py
imports: from __future__ import absolute_import
  import re
  import pytest
  from sagemaker import get_execution_role, utils
  from sagemaker.workflow.callback_step import CallbackOutput, CallbackStep, CallbackOutputTypeEnum
  from sagemaker.workflow.parameters import ParameterInteger
  from sagemaker.workflow.pipeline import Pipeline
label_desc: Use image node_id 1 for calling a global function with example usage: role(sagemaker_session) and returns: get_execution_role