code: def get_worker_addresses(self) -> List[str]:
      return list(
          self._call(
              self._cluster_api.get_nodes_info(role=NodeRole.WORKER)
          )
      )
  
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 6 for calling the ThreadedServiceContext obj's underlying member method code with example usage: obj.get_worker_addresses() and returns: list