map.rb in dpla-map-4.0.0.0.pre.2

- old
+ new

@@ -1,7 +1,9 @@
 require 'active_triples'
 require 'linked_vocabs'
 
+require 'date'
+
 require 'rdf/dpla'
 
 require 'rdf/aat'
 require 'rdf/dcmitype'
 require 'rdf/edm'