spec/kitabu/exporter/css_spec.rb in kitabu-2.1.0 vs spec/kitabu/exporter/css_spec.rb in kitabu-3.0.0

@@ -1,5 +1,7 @@
-require 'spec_helper'
+# frozen_string_literal: true
+
+require "spec_helper"
 
 describe Kitabu::Exporter::CSS do
   let(:root) { SPECDIR.join("support/mybook") }
 
   before do