From 839a5d0a7898e612d299bae72db2cd30045600b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Ram=C3=ADrez?= <tiangolo@gmail.com>
Date: Sun, 21 Sep 2025 15:51:44 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=92=A1=20Add=20comment=20in=20AsyncExitSt?=
 =?UTF-8?q?ackMiddleware?=
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---
 fastapi/middleware/asyncexitstack.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fastapi/middleware/asyncexitstack.py b/fastapi/middleware/asyncexitstack.py
index 6723638f1..4ce3f5a62 100644
--- a/fastapi/middleware/asyncexitstack.py
+++ b/fastapi/middleware/asyncexitstack.py
@@ -3,6 +3,8 @@ from contextlib import AsyncExitStack
 from starlette.types import ASGIApp, Receive, Scope, Send
 
 
+# Used mainly to close files after the request is done, dependencies are closed
+# in their own AsyncExitStack
 class AsyncExitStackMiddleware:
     def __init__(
         self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"