From 72e31423755eb91de62da47ffbc60aba7c918c1e Mon Sep 17 00:00:00 2001
From: stj <66305+stj@users.noreply.github.com>
Date: Tue, 1 Oct 2019 15:45:30 -0700
Subject: [PATCH] Use Iterable hint instead of Sequence

Given that the `FrozenList` type hint is `Union[List[_T], Iterable[_T]]`
the Application middleware type should not restrict to `Sequence` and
support all `Iterable` types.
---
 aiohttp/web_app.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aiohttp/web_app.py b/aiohttp/web_app.py
index a70ff506fd0..f668feeae4b 100644
--- a/aiohttp/web_app.py
+++ b/aiohttp/web_app.py
@@ -75,7 +75,7 @@ class Application(MutableMapping[str, Any]):
 
     def __init__(self, *,
                  logger: logging.Logger=web_logger,
-                 middlewares: Sequence[_Middleware]=(),
+                 middlewares: Iterable[_Middleware]=(),
                  handler_args: Mapping[str, Any]=None,
                  client_max_size: int=1024**2,
                  debug: Any=...  # mypy doesn't support ellipsis