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-rw-r--r--activerecord/test/models/engine.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/test/models/engine.rb b/activerecord/test/models/engine.rb
index eada171f6a..144bf7159b 100644
--- a/activerecord/test/models/engine.rb
+++ b/activerecord/test/models/engine.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
class Engine < ActiveRecord::Base
belongs_to :my_car, class_name: "Car", foreign_key: "car_id", counter_cache: :engines_count
end