class_docstr: Base class inheritted by all text data classes.
      
code: def __init__(self, hparams):
      DataBase.__init__(self, hparams)
  
imports: import tensorflow
  from texar.tf.data.data.data_base import DataBase
  from texar.tf.data.data import dataset_utils
label_desc: Use image node_id 1 to create a new TextDataBase object from inherited base classes: DataBase with example: obj = TextDataBase(hparams)