From a823207f18a339ffbe66bee6d8a6ef87a447f1a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Gra=C3=B1a?= <dangra@gmail.com>
Date: Wed, 10 Sep 2014 12:09:07 -0300
Subject: [PATCH] Stop logobserver only when set

---
 scrapy/crawler.py | 3 ++-
 tox.ini           | 1 -
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scrapy/crawler.py b/scrapy/crawler.py
index ded09c1c7..6866be809 100644
--- a/scrapy/crawler.py
+++ b/scrapy/crawler.py
@@ -156,7 +156,8 @@ class CrawlerProcess(CrawlerRunner):
         reactor.run(installSignalHandlers=False)  # blocking call
 
     def _stop_logging(self):
-        self.log_observer.stop()
+        if self.log_observer:
+            self.log_observer.stop()
 
     def _stop_reactor(self, _=None):
         try:
diff --git a/tox.ini b/tox.ini
index 624f550e1..8aeb1492e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,6 @@ deps =
     lxml==2.3.2
     Twisted==11.1.0
     boto==2.2.2
-    Pillow<2.0
     django==1.3.1
     cssselect==0.9.1
     zope.interface==3.6.1