code: def periodic(self, callback, interval) -> Periodic:
      return AIOHTTPPeriodic(callback=callback, interval=interval)
  
file_path: perspective/python/perspective/perspective/client/aiohttp.py
imports: import aiohttp
  import asyncio
  from .websocket import PerspectiveWebsocketClient, PerspectiveWebsocketConnection, Periodic
label_desc: Use image node_id 2 for calling the PerspectiveAIOHTTPWebsocketConnection obj's underlying member method code with example usage: obj.periodic(callback, interval) and returns: AIOHTTPPeriodic