code: def delete(session_uuid: str):
      battery_key = BatteryIndex.get(session_uuid)
      preferences_key = BatteryPreferencesIndex.get(session_uuid)
  
      if battery_key:
          b: BatteryModel = battery_key.load()
          BatteryIndex.delete(session_uuid)
          b.delete()
  
      if preferences_key:
          bp: BatteryPreferencesModel = preferences_key.load()
          BatteryPreferencesIndex.delete(session_uuid)
          bp.delete()
  
imports: from typing import Dict, Any
  from fastapi import Request
  from fastapi.responses import JSONResponse
  from labml_db import Model, Index
  from labml_db.serializer.pickle import PickleSerializer
  from labml_app.logger import logger
  from labml_app.enums import COMPUTEREnums
  from ..analysis import Analysis
  from ..series import SeriesModel, Series
  from ..series_collection import SeriesCollection
  from ..preferences import Preferences
label_desc: Use image node_id 5 for calling the BatteryAnalysis obj's underlying member method code with example usage: obj.delete(session_uuid) without return types