opal/opal-haml.rb in opal-haml-0.4.3 vs opal/opal-haml.rb in opal-haml-0.4.4

@@ -1,5 +1,6 @@
 require 'template'
+require 'haml/attribute_builder'
 
 module Haml
   module Buffer
     def rstrip!
       self