code: def main(args=sys.argv):
      parser = argparse.ArgumentParser(
          description="Studio worker. \
                       Usage: studio-local-worker \
                       "
      )
  
      parser.add_argument(
          "--config", help="configuration file", default=None
      )
      parser.add_argument(
          "--guest",
          help="Guest mode (does not require db credentials)",
          action="store_true",
      )
      parser.add_argument("--timeout", default=0, type=int)
      parser.add_argument("--verbose", default="error")
  
      # Register signal handler for signal.SIGUSR1
      # which will invoke built-in Python debugger:
      signal.signal(signal.SIGUSR1, lambda sig, stack: pdb.set_trace())
  
      parsed_args, script_args = parser.parse_known_args(args)
      verbose = parse_verbosity(parsed_args.verbose)
  
      # worker_config = None
      # if parsed_args.config is not None:
      #     print("Local Runner configuration file = {0}".format(parsed_args.config))
      #     with open(parsed_args.config) as f:
      #         worker_config = json.load(f)
  
      queue = LocalQueue("local")
      # queue = glob.glob(fs_tracker.get_queue_directory() + "/*")
      # wait_for_messages(queue, parsed_args.timeout)
      returncode = worker_loop(
          queue, parsed_args, timeout=parsed_args.timeout
      )
      sys.exit(returncode)
  
imports: import os
  import sys
  import subprocess
  import argparse
  import json
  import psutil
  import time
  import six
  import signal
  import pdb
  from apscheduler.schedulers.background import BackgroundScheduler
  from studio import fs_tracker, model
  from studio.util import logs
  from studio.queues.local_queue import LocalQueue
  from studio.util.gpu_util import get_available_gpus, get_gpu_mapping, get_gpus_summary
  from studio.artifacts.artifact import Artifact
  from studio.experiments.experiment import Experiment
  from studio.util.util import sixdecode, str2duration, retry, parse_verbosity, check_for_kb_interrupt
label_desc: Use image node_id 3 for calling a global function with example usage: main(args) without return types