python - asyncio.await失败，并出现TypeError : cannot unpack non-iterable coroutine object

Question

我有以下代码:

done, pending = asyncio.wait(
    [a, b],
    return_when=asyncio.FIRST_COMPLETED)

但是失败了:

Traceback (most recent call last):
  ...
  File "/.../api.py", line 83, in websockets_handler
    return_when=asyncio.FIRST_COMPLETED)
TypeError: cannot unpack non-iterable coroutine object

Answer 1

好吧，在await前面应该有asyncio.wait :)

done, pending = await asyncio.wait(
    [a, b],
    return_when=asyncio.FIRST_COMPLETED)