code: def get_oblv_service():
      # relative
      from ...external import OBLV
  
      if OBLV:
          # relative
          from ...external.oblv.oblv_service import OblvService
  
          return OblvService
      else:
          return SyftError(
              message="Oblivious is not enabled."
              "To enable oblivious package, set sy.enable_external_lib('oblv') "
              "on the client side"
              "Or add --oblv when launching by hagrid"
          )
  
imports: from typing import Dict
  from typing import Union
  from ...client.enclave_client import EnclaveClient
  from ...client.enclave_client import EnclaveMetadata
  from ...serde.serializable import serializable
  from ...service.response import SyftError
  from ...service.response import SyftSuccess
  from ...service.user.user_roles import GUEST_ROLE_LEVEL
  from ...store.document_store import DocumentStore
  from ...types.twin_object import TwinObject
  from ...types.uid import UID
  from ..action.action_object import ActionObject
  from ..code.user_code_service import UserCode
  from ..code.user_code_service import UserCodeStatus
  from ..context import AuthedServiceContext
  from ..context import ChangeContext
  from ..network.routes import route_to_connection
  from ..service import AbstractService
  from ..service import service_method
label_desc: Use image node_id 1 for calling a global function with example usage: get_oblv_service() and returns: OblvService, SyftError