From 59eaceb3ed0cac054a32493874ed66e0cb9fd533 Mon Sep 17 00:00:00 2001
From: Oleg A <t0rr@mail.ru>
Date: Fri, 21 Jan 2022 22:55:01 +0300
Subject: [PATCH] fix: don't save error as file

Raise an aiohttp.ClientResponseError if the response status is 400 or higher

#799
---
 aiogram/bot/base.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/aiogram/bot/base.py b/aiogram/bot/base.py
index f885e6dc..8fd20949 100644
--- a/aiogram/bot/base.py
+++ b/aiogram/bot/base.py
@@ -277,7 +277,13 @@ class BaseBot:
 
         dest = destination if isinstance(destination, io.IOBase) else open(destination, 'wb')
         session = await self.get_session()
-        async with session.get(url, timeout=timeout, proxy=self.proxy, proxy_auth=self.proxy_auth) as response:
+        async with session.get(
+            url,
+            timeout=timeout,
+            proxy=self.proxy,
+            proxy_auth=self.proxy_auth,
+            raise_for_status=True,
+        ) as response:
             while True:
                 chunk = await response.content.read(chunk_size)
                 if not chunk: