'Checks if an object is updated in Google Cloud Storage.
:param bucket: The Google cloud storage bucket where the object is.
:type bucket: string
:param object: The name of the object to check in the Google cloud
storage bucket.
:type object: string
:param ts: The timestamp to check against.
:type ts: datetime'

def is_updated_after(self, bucket, object, ts):

    service = self.get_conn()
    try:
        response = service.objects().get(bucket=bucket, object=object).execute()
        if ('updated' in response):
            import dateutil.parser
            import dateutil.tz
            if (not ts.tzinfo):
                ts = ts.replace(tzinfo=dateutil.tz.tzutc())
            updated = dateutil.parser.parse(response['updated'])
            logging.log(logging.INFO, ((('Verify    object    date:    ' + str(updated)) + '    >    ') + str(ts)))
            if (updated > ts):
                return True
    except errors.HttpError as ex:
        if (ex.resp['status'] != '404'):
            raise
    return False
