From 3e13fd254a0affcc66691b26cace295edd8f5c1b Mon Sep 17 00:00:00 2001
From: Debby <debby@glance.net>
Date: Wed, 10 Jun 2020 13:58:08 -0400
Subject: [PATCH] websocket: set follow_redirects to False

to prevent silent failure when the websocket client gets a 3xx
redirect response, because it does not currently support redirects

Partial fix for issue #2405
---
 tornado/websocket.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tornado/websocket.py b/tornado/websocket.py
index ff0c24161..eef49e7c9 100644
--- a/tornado/websocket.py
+++ b/tornado/websocket.py
@@ -1409,6 +1409,9 @@ class WebSocketClientConnection(simple_httpclient._HTTPConnection):
                 "Sec-WebSocket-Extensions"
             ] = "permessage-deflate; client_max_window_bits"
 
+        # Websocket connection is currently unable to follow redirects
+        request.follow_redirects = False
+
         self.tcp_client = TCPClient()
         super().__init__(
             None,
-- 
2.47.2