lib/mailerlite/utils.rb in mailerlite-1.6.1 vs lib/mailerlite/utils.rb in mailerlite-1.7.0

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
 module MailerLite
   module Utils
-    BLANK_RE = /\A[[:space:]]*\z/
+    BLANK_RE = /\A[[:space:]]*\z/.freeze
 
     class << self
       def underscore(string)
         string.gsub(/::/, '/')
           .gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')