code: def check_vocab(vocab):
      # 4 base vectors, plus the 3 vectors actually present in the file
      assert len(vocab) == 7
      assert "unban" in vocab
      assert "mox" in vocab
      assert "opal" in vocab
  
imports: import os
  import tempfile
  import pytest
  import numpy
  import torch
  from stanza.models.common import pretrain
  from stanza.models.common.vocab import UNK_ID
  from stanza.tests import *
label_desc: Use image node_id 1 for calling a global function with example usage: check_vocab(vocab) without return types