class_docstr: Class providing an artificial backend, that reads data into memory.
class_docstr_tok: ["Class","providing","an","artificial","backend",",","that","reads","data","into","memory","."]
code: def _add_dataset(self, data_source, dataset_type):
      msg = "Adding datasets to NoBackend not possible."
      raise NotImplementedError(msg)
  
imports: import logging
  import tempfile
  import uuid
  from datetime import datetime
  import numpy
  import pandas
  import tensorflow
  from .data_indexer import DataIndexer
  from .source_identifier import DataSourceIdentifier
label_desc: Use image node_id 2 for calling the NoBackend obj's underlying member method code with example usage: obj._add_dataset(data_source, dataset_type) without return types