Add missing require of stringio

Closes #141
2013-12-19 16:47:12 +01:00 · 2013-12-19 16:47:12 +01:00 · 9be17168cd
commit 9be17168cd
parent ca40dcedc5
1 changed files with 1 additions and 0 deletions
--- a/lib/mutant.rb
+++ b/lib/mutant.rb
@ -1,5 +1,6 @@
 # encoding: utf-8

+require 'stringio'
 require 'benchmark'
 require 'set'
 require 'adamantium'