code: def gen_uid(cls, band_name: str):
      return f"{band_name}_band_slot_manager"
  
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 1 for calling the BandSlotManagerActor obj's underlying member method code with example usage: obj.gen_uid(cls, band_name) and returns: band_name, str