异步编程报错：Task exception was never retrieved ... RuntimeError: Session is closed

Posted 2021-07-15 _刘文凯_

在执行aiohttp时：Task exception was never retrieved

future: <Task finished name=‘Task-3’ coro=<get_url() done, defined at C://async_get.py:52> exception=RuntimeError(‘Session is closed’)>
Traceback (most recent call last):
raise RuntimeError(“Session is closed”)
RuntimeError: Session is closed

解决：

下列代码报错

	asyncio.run(main())

更改为：

    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())

如果有更好的方法，欢迎留言…