From 10e368df32bbf1b7e2ae0b51ad331e91a04f5b97 Mon Sep 17 00:00:00 2001
From: Andrew Haines <andrew@haines.org.nz>
Date: Thu, 13 Dec 2012 06:36:02 +0000
Subject: [PATCH] Require Hash extensions for assert_valid_keys

---
 lib/draper.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/draper.rb b/lib/draper.rb
index e241c3d..7bec814 100644
--- a/lib/draper.rb
+++ b/lib/draper.rb
@@ -14,6 +14,8 @@ require 'draper/view_context'
 require 'draper/collection_decorator'
 require 'draper/railtie' if defined?(Rails)
 
+require 'active_support/core_ext/hash/keys'
+
 module Draper
   def self.setup_action_controller(base)
     base.class_eval do