From 2a00e2935f46a54dd2e30c97d7cf4010c9a20a77 Mon Sep 17 00:00:00 2001
From: Kentaro Wada <www.kentaro.wada@gmail.com>
Date: Tue, 13 Oct 2015 04:08:37 +0900
Subject: [PATCH] [message_filters] unregister method for Subscriber

Closes #681
---
 utilities/message_filters/src/message_filters/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utilities/message_filters/src/message_filters/__init__.py b/utilities/message_filters/src/message_filters/__init__.py
index dc7d7cf105..ae6b929ee1 100644
--- a/utilities/message_filters/src/message_filters/__init__.py
+++ b/utilities/message_filters/src/message_filters/__init__.py
@@ -76,6 +76,9 @@ def callback(self, msg):
     def getTopic(self):
         return self.topic
 
+    def unregister(self):
+        self.sub.unregister()
+
 class Cache(SimpleFilter):
 
     """