code: def setUp(self):
      self.model = build_transformer_monotonic_attention(
          **generate_config(
              {"simul_type": "chunkwise", "mocha_chunk_size": 3}
          )
      )
  
imports: import argparse
  import unittest
  from typing import Any, Dict
  import torch
  from examples.simultaneous_translation.models import transformer_monotonic_attention
  from tests.test_roberta import FakeTask
label_desc: Use image node_id 1 for calling the ChunkwiswTestCase obj's underlying member method code with example usage: obj.setUp() without return types