From 29f05762699e25cca37691c42aa31c3a181626b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kyle=20Bl=C3=B6m?= <kylejbloom@gmail.com>
Date: Wed, 1 Mar 2017 15:04:10 -0800
Subject: [PATCH] changed range handler to support any case header

---
 sanic/handlers.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sanic/handlers.py b/sanic/handlers.py
index d5a5d0dd..842b127e 100644
--- a/sanic/handlers.py
+++ b/sanic/handlers.py
@@ -97,7 +97,8 @@ class ContentRangeHandler:
 
     def __init__(self, request, stats):
         self.total = stats.st_size
-        _range = request.headers.get('Range')
+        _range = {k.lower(): v for k, v in request.headers.items()}.get(
+            'range')
         if _range is None:
             raise HeaderNotFound('Range Header Not Found')
         unit, _, value = tuple(map(str.strip, _range.partition('=')))