bin/metrics-redis-graphite.rb in sensu-plugins-redis-3.1.1 vs bin/metrics-redis-graphite.rb in sensu-plugins-redis-4.0.0

@@ -1,5 +1,7 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: false
+
 #
 # Push Redis INFO stats into graphite
 # ===
 #
 # Copyright 2012 Pete Shima <[e-mail]>