fixed bug and updated old code in googledir example project

examples/googledir/googledir/pipelines.py

@@ -7,7 +7,7 @@ class FilterWordsPipeline(object):
     # put all words in lowercase
     words_to_filter = ['politics', 'religion']
 
-    def process_item(self, domain, item):
+    def process_item(self, spider, item):
         for word in self.words_to_filter:
             if word in unicode(item['description']).lower():
                 raise DropItem("Contains forbidden word: %s" % word)

examples/googledir/googledir/spiders/google_directory.py

@@ -7,7 +7,7 @@ from googledir.items import GoogledirItem
 class GoogleDirectorySpider(CrawlSpider):
 
     name = 'directory.google.com'
-    allow_domains = ['directory.google.com']
+    allowed_domains = ['directory.google.com']
     start_urls = ['http://directory.google.com/']
 
     rules = (