From 9e13f42ecf420d94f47331db49b65a2d6690c29e Mon Sep 17 00:00:00 2001
From: nyov <nyov@nexnode.net>
Date: Tue, 16 Dec 2014 19:28:39 +0000
Subject: [PATCH] t.i.b.ThreadedResolver is now a new-style class

since 2009 / twisted-9.0.0
https://github.com/twisted/twisted/commit/663d669dce6ee5009eee8c6d2a81f5199855178b
---
 scrapy/resolver.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scrapy/resolver.py b/scrapy/resolver.py
index 7d9811727..e1a7aedce 100644
--- a/scrapy/resolver.py
+++ b/scrapy/resolver.py
@@ -13,7 +13,7 @@ class CachingThreadedResolver(ThreadedResolver):
     def getHostByName(self, name, timeout = (1, 3, 11, 45)):
         if name in dnscache:
             return defer.succeed(dnscache[name])
-        d = ThreadedResolver.getHostByName(self, name, timeout)
+        d = super(CachingThreadedResolver, self).getHostByName(name, timeout)
         d.addCallback(self._cache_result, name)
         return d