[New-bugs-announce] [issue33363] async for statement is not a syntax error in sync context

[Zsolt Dollenstein]

New submission from Zsolt Dollenstein <zsol.zsol at gmail.com>:

Since 3.7, async generators can be used in non-async functions. The way this is implemented allows the following to be valid syntax:

def f():
    async for i in aiterable:
        pass
    return 1

The return value of the above function is a Future that will never be done().

----------
components: Interpreter Core
messages: 315775
nosy: zsol
priority: normal
severity: normal
status: open
title: async for statement is not a syntax error in sync context
type: behavior
versions: Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33363>
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