From: Nathan Yergler <nathan@yergler.net>
Date: Sun, 13 Nov 2011 19:41:43 +0000 (-0800)
Subject: Issue 653: Don't throw exception if response has no vary header.
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=b97ae0fd7da45c32897a4cb8437c04ddf04fdc95;p=mediagoblin.git

Issue 653: Don't throw exception if response has no vary header.
---

diff --git a/mediagoblin/middleware/csrf.py b/mediagoblin/middleware/csrf.py
index 7a5e352e..6c977f21 100644
--- a/mediagoblin/middleware/csrf.py
+++ b/mediagoblin/middleware/csrf.py
@@ -98,7 +98,7 @@ class CsrfMiddleware(object):
             httponly=True)
 
         # update the Vary header
-        response.vary = (response.vary or []) + ['Cookie']
+        response.vary = getattr(response, 'vary', []) + ['Cookie']
 
     def _make_token(self, request):
         """Generate a new token to use for CSRF protection."""