[issue34730] aclose() doesn't stop raise StopAsyncIteration / GeneratorExit to __anext__()

[Devin Fee]

Change by Devin Fee <devin at devinfee.com>:


----------
versions: +Python 3.6

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34730>
_______________________________________