normalized_title.rb in arclight-1.0.0.beta1

- old
+ new

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
+require 'arclight/exceptions'
+
 module Arclight
   ##
   # A utility class to normalize titles, typically by joining
   # the title and date, e.g., "My Title, 1990-2000"
   class NormalizedTitle