From 528d2391241efa1dc16678dc1c2cb913a24de749 Mon Sep 17 00:00:00 2001
From: elpolilla <none@none>
Date: Mon, 8 Dec 2008 12:48:01 +0000
Subject: [PATCH] Fixed bug in images adaptor when a None value was received

--HG--
extra : convert_revision : svn%3Ab85faa78-f9eb-468e-a121-7cced6da292c%40479
---
 scrapy/trunk/scrapy/contrib/adaptors/extraction.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/scrapy/trunk/scrapy/contrib/adaptors/extraction.py b/scrapy/trunk/scrapy/contrib/adaptors/extraction.py
index b626234f2..a014562fb 100644
--- a/scrapy/trunk/scrapy/contrib/adaptors/extraction.py
+++ b/scrapy/trunk/scrapy/contrib/adaptors/extraction.py
@@ -94,7 +94,9 @@ class ExtractImages(object):
         return ret
 
     def __call__(self, locations):
-        if isinstance(locations, basestring):
+        if not locations:
+            return []
+        elif isinstance(locations, basestring):
             locations = [locations]
 
         rel_urls = []