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-rw-r--r--lib/drb/unix.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/drb/unix.rb b/lib/drb/unix.rb
index 637ea7cf6f..adacf6df5b 100644
--- a/lib/drb/unix.rb
+++ b/lib/drb/unix.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
require 'socket'
require 'drb/drb'
require 'tmpdir'