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-rw-r--r--lib/gitlab/redis/queues.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/gitlab/redis/queues.rb b/lib/gitlab/redis/queues.rb
index e1695aafbeb..8b42c269dd0 100644
--- a/lib/gitlab/redis/queues.rb
+++ b/lib/gitlab/redis/queues.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
# please require all dependencies below:
require_relative 'wrapper' unless defined?(::Gitlab::Redis::Wrapper)