code: def setUp(self):
      vocab_list = ["UNK", "a", "b", "c", "d"]
      self.vocab = ScriptVocabulary(vocab_list)
  
file_path: pytext/pytext/torchscript/tests/test_vocab.py
imports: import unittest
  import torch
  from pytext.torchscript.vocab import ScriptVocabulary
  from torch import jit
label_desc: Use image node_id 1 for calling the VocabTest obj's underlying member method code with example usage: obj.setUp() without return types