Consistent use of identity comparison (`is`/`is not`) for None

2 files changed, 4 insertions, 4 deletions

diff --git a/boto/ecs/__init__.py b/boto/ecs/__init__.py
index cbaf478a..5f0e2640 100644
--- a/boto/ecs/__init__.py
+++ b/boto/ecs/__init__.py
@@ -66,7 +66,7 @@ class ECSConnection(AWSQueryConnection):
             boto.log.error('%s' % body)
             raise self.ResponseError(response.status, response.reason, body)
 
-        if itemSet == None:
+        if itemSet is None:
             rs = ItemSet(self, action, params, page)
         else:
             rs = itemSet
diff --git a/boto/ecs/item.py b/boto/ecs/item.py
index 29588b86..5b739ae2 100644
--- a/boto/ecs/item.py
+++ b/boto/ecs/item.py
@@ -110,7 +110,7 @@ class ItemSet(ResponseGroup):
     def startElement(self, name, attrs, connection):
         if name == "Item":
             self.curItem = Item(self._connection)
-        elif self.curItem != None:
+        elif self.curItem is not None:
             self.curItem.startElement(name, attrs, connection)
         return None
 
@@ -123,13 +123,13 @@ class ItemSet(ResponseGroup):
             self.objs.append(self.curItem)
             self._xml.write(self.curItem.to_xml())
             self.curItem = None
-        elif self.curItem != None:
+        elif self.curItem is not None:
             self.curItem.endElement(name, value, connection)
         return None
 
     def next(self):
         """Special paging functionality"""
-        if self.iter == None:
+        if self.iter is None:
             self.iter = iter(self.objs)
         try:
             return self.iter.next()