Get back the binary datatype for the column

[maxmithun]

BINARY datatype is converted to STRING based on the encoding can we identify it back as BINARY

>>> from dynamodb_json import json_util as unmarshall_util
>>> source_json = {"binary_payload":{"B":"QmluYXJ5VmFsdWU="}}
>>> undo = unmarshall_util.loads(source_json)
>>> redo = unmarshall_util.dumps(undo)
>>> print(redo)
{"binary_payload": {"S": "QmluYXJ5VmFsdWU="}}