code: def decompress_decoder_2d(x, hparams, name=None):
    
    return decompress_decoder(x, hparams,
                              strides=(2, 2),
                              kernel=(hparams.kernel_size, hparams.kernel_size),
                              name=name)
docs: Decoder that decompresses 2-D inputs by 2**num_compress_steps.
  
    Args:
      x: Tensor of shape [batch, compress_height, compress_width, channels].
      hparams: HParams.
      name: string, variable scope.
  
    Returns:
      Tensor of shape [batch, height, width, hparams.hidden_size].