class_docstr: Base class for data converters for sequence classification data sets.
docstr: Gets the list of labels for this data set.
docstr_tok: ["Gets","the","list","of","labels","for","this","data","set","."]
code: def get_labels(self):
      """Gets the list of labels for this data set."""
      raise NotImplementedError()
  
imports: import os
  import csv
  import collections
  import tensorflow
  import texar.tf
label_desc: Use image node_id 4 for calling the DataProcessor obj's underlying member method code with example usage: obj.get_labels() without return types