code: def __init__(self, db, session_id=None):
      self.db = db
      self.session_id = session_id
  
imports: import asyncio
  import base64
  import json
  import logging
  import os
  import random
  from typing import Any, Awaitable, Callable, Dict, List, Optional
  import aiohttp
  import kubernetes_asyncio.client
  import kubernetes_asyncio.client.rest
  import kubernetes_asyncio.config
  from gear import Database, create_session
  from gear.clients import get_identity_client
  from gear.cloud_config import get_gcp_config, get_global_config
  from hailtop import aiotools, httpx
  from hailtop import batch_client
  from hailtop.aiocloud.aioazure import AzureGraphClient
  from hailtop.aiocloud.aiogoogle import GoogleIAmClient
  from hailtop.utils import secret_alnum_string, time_msecs
label_desc: Use image node_id 1 to create a new SessionResource object  with example: obj = SessionResource(db, session_id)