import trio

# Seems like the inner context manager 'hides' the checkpoint.
async def does_contain_checkpoints():
    with trio.fail_after(1):  # false-alarm TRIO100
        with trio.CancelScope():  # or any other context manager
            await trio.sleep_forever()

# -------------------------

async def elems():
    await trio.lowlevel.checkpoint()
    print("here")
    return ["elem1", "elem2"]

async def await_in_comp_target():
    return (print(x) for x in await elems())  # false-alarm TRIO910

trio.run(await_in_comp_target)  # prints "here", although not any elements