lib/kitchen/command.rb in test-kitchen-1.20.0 vs lib/kitchen/command.rb in test-kitchen-1.21.0

@@ -163,10 +163,10 @@
 
         threads = []
         @action_errors = []
         concurrency.times do
           threads << Thread.new do
-            while instance = queue.pop
+            while (instance = queue.pop)
               run_action_in_thread(action, instance, *args)
             end
           end
         end
         threads.map(&:join)