From de17f4e5a49ee980c45006fa14e17b33cfbe525f Mon Sep 17 00:00:00 2001
From: Lucian Ursu <lucian.ursu@gmail.com>
Date: Tue, 10 Jan 2012 12:17:57 +0200
Subject: [PATCH] Fixed code in 'Event Hooks' section

---
 docs/user/advanced.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/user/advanced.rst b/docs/user/advanced.rst
index d1c2cd0c..1ffd778d 100644
--- a/docs/user/advanced.rst
+++ b/docs/user/advanced.rst
@@ -194,7 +194,7 @@ Let's print some request method arguments at runtime::
 Let's hijack some arguments this time with a new callback::
 
     def hack_headers(args):
-        if not args[headers]:
+        if args.get('headers') is None:
             args['headers'] = dict()
 
         args['headers'].update({'X-Testing': 'True'})