sqlalchemy 的sqlite多线程设置

from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import create_engine
from sqlalchemy import Column, String, Integer
from sqlalchemy.pool import SingletonThreadPool

service_engine = create_engine(
    'sqlite:///{}'.format(os.path.join(settings.BASE_DIR, 'test.db')),
    poolclass=SingletonThreadPool,
    connect_args={'check_same_thread': False}
)