code: def __init__(self):
      super(ChModel, self).__init__()
      with self.init_scope():
          self.a = chainer.links.Linear(3, 1)
  
file_path: espnet/test/test_optimizer.py
imports: import chainer
  import numpy
  import pytest
  import torch
  from espnet.optimizer.factory import dynamic_import_optimizer
  from espnet.optimizer.pytorch import OPTIMIZER_FACTORY_DICT
label_desc: Use image node_id 1 to create a new ChModel object from inherited base classes: chainer with example: obj = ChModel()