relaton_ecma.rb in relaton-ecma-1.10.0

- old
+ new

@@ -1,6 +1,7 @@
 require "nokogiri"
 require "open-uri"
+require "yaml"
 require "relaton_bib"
 require "relaton_ecma/version"
 require "relaton_ecma/scrapper"
 require "relaton_ecma/ecma_bibliography"
 