code: def delete(session_uuid: str):
      network_key = NetworkIndex.get(session_uuid)
      preferences_key = NetworkPreferencesIndex.get(session_uuid)
  
      if network_key:
          n: NetworkModel = network_key.load()
          NetworkIndex.delete(session_uuid)
          n.delete()
  
      if preferences_key:
          np: NetworkPreferencesModel = preferences_key.load()
          NetworkPreferencesIndex.delete(session_uuid)
          np.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_db.serializer.yaml import YamlSerializer
  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
  from ..None import helper
label_desc: Use image node_id 5 for calling the NetworkAnalysis obj's underlying member method code with example usage: obj.delete(session_uuid) without return types