def __init__(self, session_attributes, serializer_scheme='<STR_LIT>'):
<EOL>self.serializers = {'<STR_LIT>': cbor.CBORSerializer,<EOL>'<STR_LIT>': msgpack.MsgpackSerializer,<EOL>'<STR_LIT>': json.JSONSerializer}<EOL>self.serializer = self.serializers[serializer_scheme]()<EOL>self.register_serializables(session_attributes)<EOL>
:type session_attributes: list