From 93117412362326b73c8b935c18790dee9b29538d Mon Sep 17 00:00:00 2001
From: Pablo Hoffman <pablo@pablohoffman.com>
Date: Wed, 25 Nov 2009 16:54:36 -0200
Subject: [PATCH] Fixed memory leak in CachingResolver

---
 scrapy/contrib/resolver.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scrapy/contrib/resolver.py b/scrapy/contrib/resolver.py
index 45222026c..dc75e24c2 100644
--- a/scrapy/contrib/resolver.py
+++ b/scrapy/contrib/resolver.py
@@ -25,6 +25,7 @@ class CachingResolver(object):
     def spider_closed(self, spider):
         for hostname in self.spider_hostnames[spider]:
             self.resolver._cache.pop(hostname, None)
+        self.spider_hostnames.pop(spider, None)
 
 
 class _CachingThreadedResolver(ThreadedResolver):