fastapi

17e49bc9 - ♻️ Simplify `AsyncExitStackMiddleware` as without Python 3.6 `AsyncExitStack` is always available (#9657)

♻️ Simplify `AsyncExitStackMiddleware` as without Python 3.6 `AsyncExitStack` is always available (#9657) ♻️ Simplify AsyncExitStackMiddleware as without Python 3.6 AsyncExitStack is always available