From 6b4439eacc5612ce584de94053e725610f2e15a5 Mon Sep 17 00:00:00 2001
From: bosnj <bosnj@users.noreply.github.com>
Date: Fri, 10 Apr 2015 15:32:32 +0200
Subject: [PATCH] default return value for extract_first

---
 scrapy/selector/unified.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scrapy/selector/unified.py b/scrapy/selector/unified.py
index c0eefb85e..db8b0bc2d 100644
--- a/scrapy/selector/unified.py
+++ b/scrapy/selector/unified.py
@@ -182,9 +182,9 @@ class SelectorList(list):
     def extract(self):
         return [x.extract() for x in self]
 
-    def extract_first(self):
+    def extract_first(self, default=None):
         for x in self:
-            return x.extract()
+            return x.extract() or default
 
     @deprecated(use_instead='.extract()')
     def extract_unquoted(self):