code: def setUp(self):
      test_utils.setup_proxy()
      setup_imports()
      self.model_name = "mmf_transformer"
      args = test_utils.dummy_args(model=self.model_name)
      configuration = Configuration(args)
      self.config = configuration.get_config()
      self.config.model_config[self.model_name].model = self.model_name
  
imports: import gc
  import unittest
  import tests.test_utils
  import torch
  from mmf.common.sample import SampleList
  from mmf.models.mmf_transformer import MMFTransformer, MMFTransformerModalityConfig
  from mmf.models.transformers.heads.mlm import MLM
  from mmf.modules.encoders import EncoderFactory, IdentityEncoder, ImageEncoderFactory, ImageEncoderTypes, ResNet152ImageEncoder, TextEncoderFactory, TextEncoderTypes
  from mmf.utils.build import build_model
  from mmf.utils.configuration import Configuration
  from mmf.utils.env import setup_imports, teardown_imports
  from omegaconf import OmegaConf
  from tests.test_utils import skip_if_no_pytorchvideo
label_desc: Use image node_id 1 for calling the TestMMFTransformerTorchscript obj's underlying member method code with example usage: obj.setUp() without return types