Added missing Ace sandbox in Ace::PygmentsFilter.

lib/ace/filters/pygments.rb

@@ -4,7 +4,8 @@ require "ace/filters"
 require "nokogiri"
 require "albino"
 
-class PygmentsFilter < Filter
+module Ace
+  class PygmentsFilter < Filter
     def call(item, content)
       puts 'PygmentsFilter ************************'
       doc = Nokogiri::HTML(content)
@@ -16,4 +17,5 @@ class PygmentsFilter < Filter
       end
       doc
     end
+  end
 end