code: def get_session(self, autocommit=True):
      session = self.session_cls()
      setattr(session, "autocommit", autocommit)
      return session
  
imports: import os
  from collections import defaultdict
  from weakref import WeakValueDictionary
  from sqlalchemy import create_engine
  from sqlalchemy.orm import sessionmaker, scoped_session
  from aim.storage.migrations.utils import upgrade_database
  from aim.storage.structured.sql_engine.factory import ModelMappedFactory
  from aim.storage.types import SafeNone
  from aim.web.configs import AIM_LOG_LEVEL_KEY
label_desc: Use image node_id 6 for calling the DB obj's underlying member method code with example usage: obj.get_session(autocommit) and returns: session