code: def test_fail_importing_task(ray_start_regular, error_pubsub):
      script = f"""
  import os
  import sys
  import tempfile
  import ray
  
  ray.init(address='{ray_start_regular.address_info["address"]}')
  temporary_python_file = '''
  def temporary_helper_function():
     return 1
  '''
  
  f = tempfile.NamedTemporaryFile("w+", suffix=".py", prefix="_", delete=True)
  f_name = f.name
  f.close()
  f = open(f_name, "w+")
  f.write(temporary_python_file)
  f.flush()
  directory = os.path.dirname(f_name)
  # Get the module name and strip ".py" from the end.
  module_name = os.path.basename(f_name)[:-3]
  sys.path.append(directory)
  module = __import__(module_name)
  
  # Define an actor that closes over this temporary module. This should
  # fail when it is unpickled.
  @ray.remote
  def foo():
      return module.temporary_python_file()
  
  ray.get(foo.remote())
  """
      proc = run_string_as_driver_nonblocking(script)
      out_str = proc.stdout.read().decode("ascii")
      err_str = proc.stderr.read().decode("ascii")
      print(out_str)
      print(err_str)
      assert "ModuleNotFoundError: No module named" in err_str
      assert (
          "RuntimeError: The remote function failed to import"
          in err_str
      )
  
imports: import os
  import re
  import signal
  import subprocess
  import sys
  import time
  import pytest
  import ray
  from ray._private.test_utils import run_string_as_driver, run_string_as_driver_nonblocking, wait_for_condition
label_desc: Use image node_id 15 for calling a global function with example usage: test_fail_importing_task(ray_start_regular, error_pubsub) without return types