code: def get_last_logs_ex(self, scd_id: Optional[str] = None):
      try:
          return self.job_manager.get_last_logs()
      except Exception as e:
          raise LogsError(f"Could not get last logs: {e}") from e
  
imports: import json
  import os
  import tempfile
  from typing import TYPE_CHECKING, Any, Dict, Optional
  from ray_release.cluster_manager.cluster_manager import ClusterManager
  from ray_release.command_runner.command_runner import CommandRunner
  from ray_release.exception import ClusterNodesWaitTimeout, CommandError, CommandTimeout, LocalEnvSetupError, LogsError, FetchResultError
  from ray_release.file_manager.file_manager import FileManager
  from ray_release.job_manager import JobManager
  from ray_release.logger import logger
  from ray_release.util import format_link, get_anyscale_sdk
  from ray_release.wheels import install_matching_ray_locally
label_desc: Use image node_id 8 for calling the JobRunner obj's underlying member method code with example usage: obj.get_last_logs_ex(scd_id) and returns: self