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-rw-r--r--test/ruby/test_unicode_escape.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/ruby/test_unicode_escape.rb b/test/ruby/test_unicode_escape.rb
index 9d0d787e98..e0ca430a4a 100644
--- a/test/ruby/test_unicode_escape.rb
+++ b/test/ruby/test_unicode_escape.rb
@@ -1,4 +1,5 @@
# -*- coding: utf-8 -*-
+# frozen_string_literal: false
require 'test/unit'