code: def _notify_and_register_task_addresses(
      driver, settings, notify=True
  ):
      # wait for num_proc tasks to register
      driver.wait_for_initial_registration(settings.start_timeout)
      if settings.verbose >= 2:
          logging.info("Initial Spark task registration is complete.")
  
      task_indices = driver.task_indices()
      task_pairs = zip(
          task_indices, task_indices[1:] + task_indices[0:1]
      )
  
      def notify_and_register(task_index, next_task_index):
          task_client = task_service.SparkTaskClient(
              task_index,
              driver.task_addresses_for_driver(task_index),
              settings.key,
              settings.verbose,
          )
  
          if notify:
              task_client.notify_initial_registration_complete()
  
          next_task_addresses = driver.all_task_addresses(
              next_task_index
          )
          task_to_task_addresses = (
              task_client.get_task_addresses_for_task(
                  next_task_index, next_task_addresses
              )
          )
          driver.register_task_to_task_addresses(
              next_task_index, task_to_task_addresses
          )
  
      for task_index, next_task_index in task_pairs:
          in_thread(notify_and_register, (task_index, next_task_index))
  
      driver.wait_for_task_to_task_address_updates(
          settings.start_timeout
      )
  
      if settings.verbose >= 2:
          logging.info(
              "Spark task-to-task address registration is complete."
          )
  
imports: import logging
  import os
  import platform
  import queue
  import sys
  import time
  import warnings
  import pyspark
  from horovod.common.util import gloo_built
  from horovod.runner.util.threads import in_thread
  from horovod.spark.common.util import host_hash
  from horovod.spark.task import task_service
  from horovod.spark.gloo_run import gloo_run, gloo_run_elastic
  from horovod.spark.mpi_run import mpi_run
  from horovod.runner.launch import is_gloo_used, run_controller
  from horovod.runner.common.util import timeout, secret
  from horovod.runner.common.util import settings
  from horovod.runner.elastic import settings
  from horovod.spark.driver import driver_service, host_discovery, job_id
label_desc: Use image node_id 6 for calling a global function with example usage: _notify_and_register_task_addresses(driver, settings, notify) without return types