code: def setUp(self) -> None:
      self.in1 = nn.InstanceNorm1d(
          4, affine=True, track_running_stats=True
      )
      self.in2 = nn.InstanceNorm2d(
          4, affine=False, track_running_stats=True
      )
      self.in3 = nn.InstanceNorm3d(
          4, affine=False, track_running_stats=True
      )
      self.in_no_stats = nn.InstanceNorm3d(4, affine=True)
  
      self.mv = ModuleValidator.VALIDATORS
      self.mf = ModuleValidator.FIXERS
  
file_path: opacus/opacus/tests/validators/instance_norm_test.py
imports: import unittest
  import torch.nn
  from opacus.validators.errors import IllegalModuleConfigurationError
  from opacus.validators.module_validator import ModuleValidator
label_desc: Use image node_id 1 for calling the InstanceNormValidator_test obj's underlying member method code with example usage: obj.setUp() without return types