From 685caef33bef52b944f4fc31697c02bfe53b66f4 Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Sat, 7 Aug 2021 13:04:31 +0900
Subject: [PATCH] Fix "warning: instance variable @parallelized not
 initialized"

---
 .../lib/active_support/testing/parallelize_executor.rb          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activesupport/lib/active_support/testing/parallelize_executor.rb b/activesupport/lib/active_support/testing/parallelize_executor.rb
index d59f25f1ec..88299db3c0 100644
--- a/activesupport/lib/active_support/testing/parallelize_executor.rb
+++ b/activesupport/lib/active_support/testing/parallelize_executor.rb
@@ -49,7 +49,7 @@ module ActiveSupport
         end
 
         def parallelized?
-          @parallelized
+          @parallelized if defined?(@parallelized)
         end
 
         def should_parallelize?