From 12cea8cb9214943b4a6f9b0aea48bcd3ff6037cd Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Fri, 7 Feb 2014 11:21:28 +1100
Subject: [PATCH] BUGFIX: scheduler crash in blocking_tick

---
 lib/scheduler/manager.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/scheduler/manager.rb b/lib/scheduler/manager.rb
index 0bc8dd70e1..b1449973a1 100644
--- a/lib/scheduler/manager.rb
+++ b/lib/scheduler/manager.rb
@@ -45,7 +45,7 @@ module Scheduler
       end
 
       def wait_till_done
-        while !@queue.empty? && !@queue.num_waiting > 0
+        while !@queue.empty? && !(@queue.num_waiting > 0)
           sleep 0.001
         end
       end