From 560aad8a2d667fc07ef982c086d7f12dab0cb04c Mon Sep 17 00:00:00 2001
From: r888888888 <r888888888@gmail.com>
Date: Fri, 24 May 2013 13:24:45 -0700
Subject: [PATCH] fixes #1635

---
 app/models/pool.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/pool.rb b/app/models/pool.rb
index 2fc12ba5d..42537c02c 100644
--- a/app/models/pool.rb
+++ b/app/models/pool.rb
@@ -96,7 +96,7 @@ class Pool < ActiveRecord::Base
   end
 
   def self.normalize_post_ids(post_ids)
-    post_ids.scan(/\d+/).join(" ")
+    post_ids.scan(/\d+/).uniq.join(" ")
   end
 
   def self.find_by_name(name)