docstr: Returns a list of the labels for all of the sentences in this DataLoader
  
  Used at eval time to compare to the results, for example
docstr_tok: ["Returns","a","list","of","the","labels","for","all","of","the","sentences","in","this","DataLoader","Used","at","eval","time","to","compare","to","the","results",",","for","example"]
code: def labels(self):
      """
      Returns a list of the labels for all of the sentences in this DataLoader
  
      Used at eval time to compare to the results, for example
      """
      return [np.array(list(x[1] for x in sent)) for sent in self.data]
  
imports: from bisect import bisect_right
  from copy import copy
  import numpy
  import random
  import logging
  import re
  import torch
  from torch.utils.data import Dataset
  from .vocab import Vocab
  from stanza.models.common.utils import sort_with_indices, unsort
label_desc: Use image node_id 2 for calling the TokenizationDataset obj's underlying member method code with example usage: obj.labels() and returns: unknown