lib/sidekiq/extensions/action_mailer.rb in sidekiq-4.1.1 vs lib/sidekiq/extensions/action_mailer.rb in sidekiq-4.1.2

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
 require 'sidekiq/extensions/generic_proxy'
 
 module Sidekiq
   module Extensions
     ##