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-rw-r--r--activemodel/lib/active_model/validations/absence.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/validations/absence.rb b/activemodel/lib/active_model/validations/absence.rb
index 4618f46e30..385d9f27e0 100644
--- a/activemodel/lib/active_model/validations/absence.rb
+++ b/activemodel/lib/active_model/validations/absence.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
module ActiveModel
module Validations
# == \Active \Model Absence Validator