code: def get_pool_class(cls, url):
      if cls._is_url_file_db(url):
          return pool.NullPool
      else:
          return pool.StaticPool
  
imports: import asyncio
  from functools import partial
  from .base import SQLiteExecutionContext
  from .pysqlite import SQLiteDialect_pysqlite
  from ...None import pool
  from ...connectors.asyncio import AsyncAdapt_dbapi_connection
  from ...connectors.asyncio import AsyncAdapt_dbapi_cursor
  from ...connectors.asyncio import AsyncAdapt_dbapi_ss_cursor
  from ...util.concurrency import await_
label_desc: Use image node_id 2 for calling the SQLiteDialect_aiosqlite obj's underlying member method code with example usage: obj.get_pool_class(cls, url) and returns: pool, pool