code: def get(
      self, context: AuthedServiceContext, uid: UID
  ) -> Union[SyftWorker, SyftError]:
      result = self.stash.get_by_uid(
          credentials=context.credentials, uid=uid
      )
      if result.is_err():
          return SyftError(
              message=f"Failed to retrieve worker with UID {uid}"
          )
  
      worker = result.ok()
      if worker is None:
          return SyftError(
              message=f"Worker does not exist for UID {uid}"
          )
  
      if context.node.in_memory_workers:
          return worker
  
      with contextlib.closing(docker.from_env()) as client:
          return _check_and_update_status_for_worker(
              client=client,
              worker=worker,
              worker_stash=self.stash,
              credentials=context.credentials,
          )
  
imports: import contextlib
  from typing import List
  from typing import Tuple
  from typing import Union
  import docker
  from ...node.credentials import SyftVerifyKey
  from ...serde.serializable import serializable
  from ...store.document_store import DocumentStore
  from ...store.document_store import SyftSuccess
  from ...types.uid import UID
  from ...util.telemetry import instrument
  from ..service import AbstractService
  from ..service import AuthedServiceContext
  from ..service import SyftError
  from ..service import service_method
  from ..user.user_roles import ADMIN_ROLE_LEVEL
  from ..user.user_roles import DATA_SCIENTIST_ROLE_LEVEL
  from .utils import DEFAULT_WORKER_POOL_NAME
  from .utils import _get_healthcheck_based_on_status
  from .worker_pool import ContainerSpawnStatus
  from .worker_pool import SyftWorker
  from .worker_pool import WorkerHealth
  from .worker_pool import WorkerStatus
  from .worker_pool import _get_worker_container_status
  from .worker_stash import WorkerStash
label_desc: Use image node_id 5 for calling the WorkerService obj's underlying member method code with example usage: obj.get(context, uid) and returns: SyftError, SyftError, worker, _check_and_update_status_for_worker