def __init__(self, batched=False):
            self._batched = batched
Get metadata and upload.
dataset/ETHPy150Open crossbario/autobahn-python/autobahn/wamp/serializer.py/JsonObjectSerializer.__init__--crossover with--dataset/ETHPy150Open MinnPost/mbtiles2s3/mbtiles2s3/mbtiles2s3.py/MBTiles2S3.mbtiles_metadata