code: def function(lhs, sleep):
      return lhs + sleep
  
file_path: orion/tests/unittests/client/runner_subprocess.py
imports: from argparse import ArgumentParser
  from orion.client.runner import Runner
  from orion.core.utils.exceptions import WaitingForTrials
  from orion.core.worker.trial import Trial
  from orion.executor.base import executor_factory
label_desc: Use image node_id 2 for calling a global function with example usage: function(lhs, sleep) and returns: unknown