--- a/web/cors.py	Tue Nov 24 14:05:50 2015 +0100
+++ b/web/cors.py	Tue Nov 24 14:08:47 2015 +0100
@@ -111,4 +111,3 @@
     # include "Vary: Origin" header (see 6.4)
     req.headers_out.addHeader('Vary', 'Origin')
     return origin
-