def CreateComparisonKey(image):
    version = int(re.match(name_re, image.name).group(1))
    timestamp = times.ParseDateTime(image.creationTimestamp)
    return (version, timestamp)
def CreateComparisonKey(image):
    version = int(re.match(name_re, image.name).group(1))
    timestamp = times.ParseDateTime(image.creationTimestamp)
    return (version, timestamp)