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-rw-r--r--activesupport/lib/active_support/core_ext/benchmark.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/benchmark.rb b/activesupport/lib/active_support/core_ext/benchmark.rb
index eb25b2bc44..641b58c8b8 100644
--- a/activesupport/lib/active_support/core_ext/benchmark.rb
+++ b/activesupport/lib/active_support/core_ext/benchmark.rb
@@ -1,4 +1,6 @@
-require 'benchmark'
+# frozen_string_literal: true
+
+require "benchmark"
class << Benchmark
# Benchmark realtime in milliseconds.