[New-bugs-announce] [issue33349] 2to3 fails to parse async generators in non-async functions

[Zsolt Dollenstein]

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

This is valid since python3.7:

```
def f():
    return (i * 2 async for i in arange(42))
```

but lib2to3 doesn't parse this properly, because `async` is tokenized as a `NAME` instead of `ASYNC`

----------
components: 2to3 (2.x to 3.x conversion tool)
messages: 315700
nosy: zsol
priority: normal
severity: normal
status: open
title: 2to3 fails to parse async generators in non-async functions
type: behavior
versions: Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33349>
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