def isoformat(self):
    """(string) Return the timestamp as a ISO 8601 formatted string,
    e.g. '2007-05-27T19:32:17.000Z'
    """
    import time
    epoch = float(self.text)/1000
    return time.strftime('%Y-%m-%dT%H:%M:%S.000Z', time.gmtime(epoch))
dataset/ETHPy150Open CollabQ/CollabQ/vendor/gdata/photos/__init__.py/Timestamp.isoformat/original