From da26adfc73d0ef740d4af04007e8ae9a04a49fce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=2E=20K=C3=A4rkk=C3=A4inen?=
 <tronic@users.noreply.github.com>
Date: Fri, 20 Mar 2020 17:26:47 +0200
Subject: [PATCH] Initialise StreamingHTTPResponse.protocol = None

---
 sanic/response.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sanic/response.py b/sanic/response.py
index 9e1a4437..7b7c8521 100644
--- a/sanic/response.py
+++ b/sanic/response.py
@@ -91,6 +91,7 @@ class StreamingHTTPResponse(BaseHTTPResponse):
         self.headers = Header(headers or {})
         self.chunked = chunked
         self._cookies = None
+        self.protocol = None
 
     async def write(self, data):
         """Writes a chunk of data to the streaming response.