From f699d112b0b7c4eebeee6aae85ffdd77e68fbf10 Mon Sep 17 00:00:00 2001
From: Andrew Godwin <andrew@aeracode.org>
Date: Tue, 23 Aug 2016 20:10:15 -0700
Subject: [PATCH] Fixed #309: Missed a double decode for header coalescing

---
 channels/handler.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/channels/handler.py b/channels/handler.py
index 3e8912e..4e1c73d 100644
--- a/channels/handler.py
+++ b/channels/handler.py
@@ -84,7 +84,7 @@ class AsgiRequest(http.HttpRequest):
             # HTTPbis say only ASCII chars are allowed in headers, but we latin1 just in case
             value = value.decode("latin1")
             if corrected_name in self.META:
-                value = self.META[corrected_name] + "," + value.decode("latin1")
+                value = self.META[corrected_name] + "," + value
             self.META[corrected_name] = value
         # Pull out request encoding if we find it
         if "CONTENT_TYPE" in self.META: