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-rw-r--r--activerecord/test/models/tuning_peg.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/test/models/tuning_peg.rb b/activerecord/test/models/tuning_peg.rb
index 1252d6dc1d..6e052e1d0f 100644
--- a/activerecord/test/models/tuning_peg.rb
+++ b/activerecord/test/models/tuning_peg.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
class TuningPeg < ActiveRecord::Base
belongs_to :guitar
validates_numericality_of :pitch