code: def tearDown(self):
      config.set_backend("numpy")
      config.set_show_progress(show_progress=True)
  
file_path: pgmpy/pgmpy/tests/test_global_vars.py
imports: import unittest
  import numpy
  import torch
  from pgmpy import config
label_desc: Use image node_id 5 for calling the TestConfig obj's underlying member method code with example usage: obj.tearDown() without return types