diff --git a/scrapy/trunk/scrapy/contrib/adaptors.py b/scrapy/trunk/scrapy/contrib/adaptors.py
index ef2c5b4df..6a19656b1 100644
--- a/scrapy/trunk/scrapy/contrib/adaptors.py
+++ b/scrapy/trunk/scrapy/contrib/adaptors.py
@@ -1,5 +1,6 @@
 """
-Adaptors for item adaptation pipe.
+Generic Adaptors for item adaptation pipe. Performs tasks
+usually needed by most cases
 """
 
 from scrapy.item.models import BaseAdaptor
diff --git a/scrapy/trunk/scrapy/item/models.py b/scrapy/trunk/scrapy/item/models.py
index 0109fe9ee..6f180a123 100644
--- a/scrapy/trunk/scrapy/item/models.py
+++ b/scrapy/trunk/scrapy/item/models.py
@@ -1,4 +1,4 @@
-class BaseAdaptor:
+class BaseAdaptor(object):
     def function(self, item, attrname, value, **pipeargs):
         raise NotImplemented