code: def _upload_slot_usage_with_delay(self, delay: int = 1):
      self._usage_upload_task = (
          self.ref().upload_slot_usages.tell_delay(
              periodical=True, delay=delay
          )
      )
  
imports: import asyncio
  import logging
  import os
  import time
  from typing import Dict, List, NamedTuple, Set, Tuple
  import psutil
  from ....None import oscar
  from ....oscar.errors import NoFreeSlot, SlotStateError
  from ....oscar.backends.allocate_strategy import IdleLabel
  from ....resource import Resource
  from ....typing import BandType
  from ...cluster import WorkerSlotInfo, ClusterAPI
label_desc: Use image node_id 7 for calling the BandSlotManagerActor obj's underlying member method code with example usage: obj._upload_slot_usage_with_delay(delay) without return types