class_docstr: This class tests all member functions of crypten package
class_docstr_tok: ["This","class","tests","all","member","functions","of","crypten","package"]
code: def setUp(self):
      super().setUp()
      if self.rank >= 0:
          crypten.init()
          crypten.set_default_cryptensor_type("mpc")
  
imports: import itertools
  import logging
  import math
  import random
  import unittest
  from collections import defaultdict
  import crypten
  import crypten.communicator
  import torch
  import torch.nn.functional
  from crypten.common import serial
  from crypten.common.tensor_types import is_float_tensor
  from crypten.config import cfg
  from test.multiprocess_test_case import get_random_test_tensor, MultiProcessTestCase
  from torch import nn
label_desc: Use image node_id 1 for calling the TestCrypten obj's underlying member method code with example usage: obj.setUp() without return types