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-rw-r--r--activesupport/lib/active_support/number_helper/rounding_helper.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/number_helper/rounding_helper.rb b/activesupport/lib/active_support/number_helper/rounding_helper.rb
index 63b48444a6..f5d5f4664b 100644
--- a/activesupport/lib/active_support/number_helper/rounding_helper.rb
+++ b/activesupport/lib/active_support/number_helper/rounding_helper.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActiveSupport
module NumberHelper
class RoundingHelper # :nodoc: