# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
#
# pyre-strict

import subprocess
from contextlib import AsyncExitStack


def fun() -> None:
    # this is an explicit syntax error to cause formatter error
    async with AsyncExitStack() as stack:
        stack