code: def __init__(self, size):
      super(BnChainList, self).__init__(
          chainer.links.Convolution2D(None, size, 1, 1, 1, nobias=True),
          chainer.links.BatchNormalization(size),
      )
  
imports: import unittest
  import chainer
  import chainer.testing
  import chainer.testing.attr
  import chainermn
  from chainermn.testing.device import get_device
label_desc: Use image node_id 1 to create a new BnChainList object from inherited base classes: chainer with example: obj = BnChainList(size)