spec/hamster/stack/copying_spec.rb in hamster-0.1.14 vs spec/hamster/stack/copying_spec.rb in hamster-0.1.15

@@ -1,6 +1,8 @@
 require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
 
+require 'hamster/stack'
+
 describe Hamster::Stack do
 
   [:dup, :clone].each do |method|
 
     [