cose.rb in cose-0.9.0

- old
+ new

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 require "cose/encrypt"
 require "cose/encrypt0"
+require "cose/error"
 require "cose/key"
 require "cose/mac"
 require "cose/mac0"
 require "cose/sign"
 require "cose/sign1"