code: def __init__(
      self,
      entrypoint_file,
      queue_id: Optional[str] = None,
      status_update_interval: int = 5,
  ) -> None:
      # TODO: Properly handle queue_id in the cloud.
      super().__init__(
          entrypoint_file,
          queues=QueuingSystem("http"),
          queue_id=queue_id,
      )
      self._status_update_interval = status_update_interval
      self._last_time_updated = None
      self.client = LightningClient(retry=True)
      self.base_url: Optional[str] = None
  
imports: import inspect
  import json
  import logging
  import os
  import random
  import string
  import urllib
  from time import monotonic, sleep, time
  from typing import List, Optional
  from lightning_cloud.openapi import AppinstancesIdBody, Externalv1LightningappInstance, Externalv1Lightningwork, V1BuildSpec, V1Drive, V1DriveSpec, V1DriveStatus, V1DriveType, V1Flowserver, V1LightningappInstanceState, V1LightningappRestartPolicy, V1LightningworkClusterDriver, V1LightningworkDrives, V1LightningworkSpec, V1LightningworkState, V1ListLightningworkResponse, V1Metadata, V1NetworkConfig, V1PackageManager, V1PythonDependencyInfo, V1SourceType, V1UserRequestedComputeConfig
  from lightning_cloud.openapi.rest import ApiException
  from lightning.app.core import LightningApp, LightningWork
  from lightning.app.core.queues import QueuingSystem
  from lightning.app.runners.backends.backend import Backend
  from lightning.app.storage import Drive, Mount
  from lightning.app.utilities.enum import WorkStageStatus, WorkStopReasons, make_status
  from lightning.app.utilities.exceptions import LightningPlatformException
  from lightning.app.utilities.network import LightningClient, _check_service_url_is_ready
  from lightning_cloud.openapi import SpecLightningappInstanceIdWorksBody, WorksIdBody
label_desc: Use image node_id 1 to create a new CloudBackend object from inherited base classes: Backend with example: obj = CloudBackend(entrypoint_file, queue_id, status_update_interval)