class_docstr: A mapping from symbols to consecutive integers
code: def dummy_sentence(self, length):
      t = (
          torch.Tensor(length)
          .uniform_(self.nspecial + 1, len(self))
          .long()
      )
      t[-1] = self.eos()
      return t
  
imports: import os
  from collections import Counter
  from multiprocessing import Pool
  import torch
  from fairseq import utils
  from fairseq.data import data_utils
  from fairseq.file_chunker_utils import Chunker, find_offsets
  from fairseq.file_io import PathManager
  from fairseq.tokenizer import tokenize_line
label_desc: Use image node_id 24 for calling the Dictionary obj's underlying member method code with example usage: obj.dummy_sentence(length) and returns: t