py34: fix comparision NoneType and int
py34: fix comparision NoneType and int

error was:
TypeError: unorderable types: NoneType() > int()

Change-Id: I418204ee0da15d78074bbdbe3e4e7e0fe9e933a1

stackforge/ec2-api,openstack/ec2-api,stackforge/ec2-api,hayderimran7/ec2-api,openstack/ec2-api,hayderimran7/ec2-api