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-rw-r--r--activesupport/lib/active_support/core_ext/module/synchronization.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/synchronization.rb b/activesupport/lib/active_support/core_ext/module/synchronization.rb
index f72d512340..115b8abd4e 100644
--- a/activesupport/lib/active_support/core_ext/module/synchronization.rb
+++ b/activesupport/lib/active_support/core_ext/module/synchronization.rb
@@ -1,4 +1,5 @@
require 'active_support/core_ext/module/aliasing'
+require 'active_support/core_ext/array/extract_options'
class Module
# Synchronize access around a method, delegating synchronization to a