From 317c6d35fac5f96e91267e3d1c0a005d4fe5b52b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laura=20Kl=C3=BCnder?= <laura@codingcatgirl.de>
Date: Thu, 22 Dec 2016 12:28:13 +0100
Subject: [PATCH] add it again but fix etag header

---
 src/c3nav/site/views.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/c3nav/site/views.py b/src/c3nav/site/views.py
index 288b8da1..284f9d85 100644
--- a/src/c3nav/site/views.py
+++ b/src/c3nav/site/views.py
@@ -255,5 +255,6 @@ def map_image(request, area, level):
     for chunk in File(open(img, 'rb')).chunks():
         response.write(chunk)
 
-    response['E-Tag'] = etag
+    response['ETag'] = etag
+    response['Cache-Control'] = 'no-cache'
     return response