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-rw-r--r--test/drb/ut_array.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/drb/ut_array.rb b/test/drb/ut_array.rb
index 01599f1d89e..d13dda3d8e5 100644
--- a/test/drb/ut_array.rb
+++ b/test/drb/ut_array.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'drb/drb'
require 'drb/extserv'