@@ -1,5 +1,6 @@

 2011-03-30  Michal Ludvig  <mludvig@logix.net.nz>

+	* S3/CloudFront.py: Fix warning with Python 2.7

 	* S3/CloudFront.py: Cmd._get_dist_name_for_bucket() moved to

 	  CloudFront class.

@@ -123,10 +123,10 @@ class DistributionConfig(object):

 	EMPTY_CONFIG = "<DistributionConfig><Origin/><CallerReference/><Enabled>true</Enabled></DistributionConfig>"

 	xmlns = "http://cloudfront.amazonaws.com/doc/2010-07-15/"

 	def __init__(self, xml = None, tree = None):

-		if not xml:

+		if xml is None:

 			xml = DistributionConfig.EMPTY_CONFIG

-		if not tree:

+		if tree is None:

 			tree = getTreeFromXml(xml)

 		if tree.tag != "DistributionConfig":