From 10b1e106ffcf8d22b6943d7dbd14f3cc55b1fcfe Mon Sep 17 00:00:00 2001
From: Dan Kubb <dan.kubb@gmail.com>
Date: Wed, 17 Apr 2013 20:24:14 -0700
Subject: [PATCH] Add require stringio temporarily to rspec killer

---
 lib/mutant/killer/rspec.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/mutant/killer/rspec.rb b/lib/mutant/killer/rspec.rb
index a7fc2a8a..80c2c901 100644
--- a/lib/mutant/killer/rspec.rb
+++ b/lib/mutant/killer/rspec.rb
@@ -18,6 +18,7 @@ module Mutant
       def run
         mutation.insert
         # TODO: replace with real streams from configuration
+        require 'stringio'
         null = StringIO.new
         !::RSpec::Core::Runner.run(command_line_arguments, null, null).zero?
       end