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-rw-r--r--activemodel/lib/active_model/validations.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index ae1d69f685..cdf11d190f 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "active_support/core_ext/array/extract_options"
require "active_support/core_ext/hash/keys"
require "active_support/core_ext/hash/except"