From 828077a681195cea51f0b89b1a027374b06895be Mon Sep 17 00:00:00 2001
From: bsnych <122523292+bsnych@users.noreply.github.com>
Date: Wed, 23 Oct 2024 12:18:08 +0300
Subject: [PATCH] Added missing "reason" to ensure backward compatibility

Reason added for Informational response to socket connection upgrade. This ensures backwards compatibility for older socket libraries like: OCaml/websokets
---
 src/wsproto/handshake.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wsproto/handshake.py b/src/wsproto/handshake.py
index 72af722..a79bf07 100644
--- a/src/wsproto/handshake.py
+++ b/src/wsproto/handshake.py
@@ -286,7 +286,7 @@ def _accept(self, event: AcceptConnection) -> bytes:
                 headers.append((b"Sec-WebSocket-Extensions", accepts))
 
         response = h11.InformationalResponse(
-            status_code=101, headers=headers + event.extra_headers
+            status_code=101, headers=headers + event.extra_headers, reason=b"Switching Protocols"
         )
         self._connection = Connection(
             ConnectionType.CLIENT if self.client else ConnectionType.SERVER,