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","."]
docstr: Context manager enter function. Required by GraphDataLoader.
docstr_tok: ["Context","manager","enter","function",".","Required","by","GraphDataLoader","."]
code: def __enter__(self):
      """Context manager enter function. Required by GraphDataLoader."""
      return self
  
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 3 for calling the NoBackend obj's underlying member method code with example usage: obj.__enter__() and returns: self