code: def start(self, *args, **kwargs):
      if self.is_running:
          return False
  
      self._result = {}
  
      def entrypoint():
          try:
              result = self._fn(*args, **kwargs)
          except Exception as e:
              self._result["exception"] = e
              return
  
          self._result["result"] = result
  
      self._process = threading.Thread(target=entrypoint)
      self._process.daemon = True
      self._process.start()
      self._start_time = time.time()
  
imports: import abc
  import logging
  import threading
  import time
  import traceback
  import warnings
  from dataclasses import dataclass
  from typing import Any, Callable, Dict, List, Optional, Tuple, Union
  from ray._private.thirdparty.tabulate.tabulate import tabulate
  from ray.train.constants import _DEPRECATED_VALUE
  from ray.util import log_once
  from ray.util.annotations import PublicAPI
  from ray.widgets import Template
label_desc: Use image node_id 4 for calling the _BackgroundProcess obj's underlying member method code with example usage: obj.start() and returns: False