code: def test_document_export_to_caffe2(self):
      task_class = DocumentClassificationTask
  
      for test_file_name, model_class in test_file_and_models:
          config = self._get_config(
              task_class=task_class,
              model_class=model_class,
              test_file_metadata=get_test_file_metadata(test_file_name),
          )
          self._test_task_export_to_caffe2(
              task_class=task_class, config=config
          )
  
imports: import tempfile
  import unittest
  from typing import Type
  import caffe2.python.hypothesis_test_util
  import caffe2.python.predictor.predictor_exporter
  import numpy
  import torch.nn.functional
  from caffe2.python import workspace
  from pytext.common.constants import Stage
  from pytext.config import ExportConfig, LATEST_VERSION, PyTextConfig
  from pytext.data import Data, PoolingBatcher
  from pytext.data.sources import TSVDataSource
  from pytext.data.tensorizers import FloatListTensorizer
  from pytext.models.doc_model import DocModel, PersonalizedDocModel
  from pytext.models.model import Model
  from pytext.task.new_task import NewTask
  from pytext.task.tasks import DocumentClassificationTask
  from pytext.trainers import TaskTrainer
  from pytext.utils.onnx import CAFFE2_DB_TYPE
  from pytext.utils.test import import_tests_module
label_desc: Use image node_id 5 for calling the ModelExporterTest obj's underlying member method code with example usage: obj.test_document_export_to_caffe2() without return types