class_docstr: An iterator to load sequence data.
class_docstr_tok: ["An","iterator","to","load","sequence","data","."]
code: def __iter__(self):
      return self.data_iter_fn(
          self.corpus, self.batch_size, self.num_steps
      )
  
imports: import collections
  import random
  import re
  import jax
  import jax.numpy
  import tensorflow_datasets
  import objax
  from objax.functional import one_hot
  from objax.zoo.rnn import RNN
label_desc: Use image node_id 2 for calling the DataLoader obj's underlying member method code with example usage: obj.__iter__() and returns: self