code: def test_vw_init_del():
      model = VW()
      tempdir = model.tempdir.name
      assert os.path.exists(tempdir)
  
      del model
      assert not os.path.exists(tempdir)
  
file_path: recommenders/tests/unit/recommenders/models/test_vowpal_wabbit.py
imports: import os
  import pytest
  from unittest import mock
  import pandas
  from recommenders.models.vowpal_wabbit.vw import VW
label_desc: Use image node_id 3 for calling a global function with example usage: test_vw_init_del() without return types