code: def test_version_mismatch(ray_start_cluster):
      ray_version = ray.__version__
      try:
          cluster = ray_start_cluster
          cluster.add_node(num_cpus=1)
  
          # Test the driver.
          ray.__version__ = "fake ray version"
          with pytest.raises(RuntimeError):
              ray.init(address="auto")
  
      finally:
          # Reset the version.
          ray.__version__ = ray_version
  
imports: import os
  import signal
  import sys
  import time
  import numpy
  import pytest
  import ray
  import ray._private.gcs_utils
  import ray._private.ray_constants
  import ray._private.utils
  from ray._private.test_utils import SignalActor, convert_actor_state, get_error_message, init_error_pubsub, wait_for_condition
  from ray.exceptions import GetTimeoutError, RayActorError, RayTaskError
label_desc: Use image node_id 16 for calling a global function with example usage: test_version_mismatch(ray_start_cluster) without return types