await-not-async missed & false alarms with genexp and list comprehensions

Bug Report

await-not-async does not warn on async for in list and dict comprehensions, and incorrectly does give a warning for await inside GeneratorExp.elt.
For list & dict comprehensions you should error on any await or async for, but for generator expressions it's only the generator that should be checked.

To Reproduce

def foo():
    ...

def should_not_error():
    (await x for x in foo())

def should_error():
    [x async for x in foo()]
    {k: v async for k, v in foo()}

def correctly_errors():
    (x for x in await foo())
    [await x for x in foo()]

def correctly_does_not_error():
    (x async for x in foo())

Expected Behavior

It should error on 8, 9, 12 and 13

Actual Behavior

$ mypy foofoo.py
foofoo.py:5: error: "await" outside coroutine ("async def")  [await-not-async]
foofoo.py:12: error: "await" outside coroutine ("async def")  [await-not-async]
foofoo.py:13: error: "await" outside coroutine ("async def")  [await-not-async]
Found 3 errors in 1 file (checked 1 source file)

Your Environment

$ mypy --version
mypy 1.13.0 (compiled: yes)

• Mypy version used:
• Mypy command-line flags:
• Mypy configuration options from mypy.ini (and other config files):
• Python version used:

also see https://github.com/astral-sh/ruff/issues/14167 that had the exact same issues

Commencez par localiser l’implémentation de await-not-async et le traitement de GeneratorExp.elt, des compréhensions de listes et des compréhensions de dictionnaires. Reproduisez l’exemple fourni avec mypy, puis vérifiez que des diagnostics apparaissent aux lignes 8, 9, 12 et 13, tandis que les cas d’expressions génératrices des lignes 5 et 14 ne génèrent aucun avertissement.