From 25a04ed1351e5c5d463574ec05af841c36b1519c Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Sat, 1 Feb 2020 23:46:28 -0500
Subject: [PATCH] Better detection for Cloudflare related 429s.

At some point Cloudflare started returning some JSON. I don't know how
this JSON looks like.

See #2544
---
 discord/http.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discord/http.py b/discord/http.py
index 6a7b757e..1eeff4d2 100644
--- a/discord/http.py
+++ b/discord/http.py
@@ -179,7 +179,7 @@ class HTTPClient:
 
                     # we are being rate limited
                     if r.status == 429:
-                        if not isinstance(data, dict):
+                        if not r.headers.get('Via'):
                             # Banned by Cloudflare more than likely.
                             raise HTTPException(r, data)