builder.rb in avromatic-0.9.0.rc0

- old
+ new

@@ -2,9 +2,10 @@
 require 'active_support/concern'
 require 'active_model'
 require 'avromatic/model/configuration'
 require 'avromatic/model/value_object'
 require 'avromatic/model/configurable'
+require 'avromatic/model/attribute/union'
 require 'avromatic/model/attributes'
 require 'avromatic/model/raw_serialization'
 require 'avromatic/model/messaging_serialization'
 
 module Avromatic