spec/mongo/grid/file/chunk_spec.rb in mongo-2.2.1 vs spec/mongo/grid/file/chunk_spec.rb in mongo-2.2.2

@@ -1,5 +1,6 @@
 require 'spec_helper'
+require 'stringio'
 
 describe Mongo::Grid::File::Chunk do
 
   let(:data) do
     BSON::Binary.new('testing')