code: def new_custom_log_dir(self) -> str:
      return self._call(
          self._session_api.new_custom_log_dir(
              self.local_address, self.session_id
          )
      )
  
imports: import asyncio
  import logging
  from collections import defaultdict
  from functools import lru_cache
  from typing import List, Dict
  from ..None import oscar
  from ..lib.aio import new_isolation
  from ..core.context import Context
  from ..storage.base import StorageLevel
  from ..typing import BandType, SessionType
  from ..utils import implements, is_ray_address
  from .cluster import ClusterAPI, NodeRole
  from .session import SessionAPI
  from .storage import StorageAPI
  from .subtask import SubtaskAPI
  from .meta import MetaAPI, WorkerMetaAPI
label_desc: Use image node_id 17 for calling the ThreadedServiceContext obj's underlying member method code with example usage: obj.new_custom_log_dir() and returns: self