code: def tearDown(self) -> None:
      cfg.mpc.provider = self._original_provider
      crypten.CrypTensor.set_grad_enabled(True)
      super(TestTTP, self).tearDown()
  
imports: import collections
  import itertools
  import logging
  import unittest
  import crypten
  import torch
  import torch.nn
  import torch.nn.functional
  from crypten.config import cfg
  from crypten.cuda import CUDALongTensor
  from test.multiprocess_test_case import get_random_test_tensor, MultiProcessTestCase
  from test.test_mpc import TestMPC
label_desc: Use image node_id 3 for calling the TestTTP obj's underlying member method code with example usage: obj.tearDown() without return types