From 75242b9c67aafa80b4d4a13cfae6c50ba7f85b79 Mon Sep 17 00:00:00 2001
From: Zane Bitter <zbitter@redhat.com>
Date: Fri, 3 Oct 2014 14:22:10 -0400
Subject: [PATCH] Don't send multiple update-cancel messages to an event

Change-Id: Ib64da11ed5584c1a2eef98378d3201a6949fac7d
Closes-Bug: #1376900
---
 heat/engine/service.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/heat/engine/service.py b/heat/engine/service.py
index eabcee294..5ece16b99 100644
--- a/heat/engine/service.py
+++ b/heat/engine/service.py
@@ -191,7 +191,7 @@ class ThreadGroupManager(object):
                 eventlet.sleep()
 
     def send(self, stack_id, message):
-        for event in self.events.get(stack_id, []):
+        for event in self.events.pop(stack_id, []):
             event.send(message)