From 2f285a6015abaf75ced34231f698537ef210ffed Mon Sep 17 00:00:00 2001
From: Matthew Shao <me@matshao.com>
Date: Sat, 26 Mar 2016 11:26:42 +0800
Subject: [PATCH] Setting CONTENT_MISSING to None

---
 netlib/http/message.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/netlib/http/message.py b/netlib/http/message.py
index e3d8ce375..4ddc1b818 100644
--- a/netlib/http/message.py
+++ b/netlib/http/message.py
@@ -7,7 +7,7 @@ import six
 from .headers import Headers
 from .. import encoding, utils
 
-CONTENT_MISSING = 0
+CONTENT_MISSING = None 
 
 if six.PY2:  # pragma: nocover
     _native = lambda x: x