code: def __init__(self, in_c, up_scale=2, norm=nn.InstanceNorm2d):
      super(ECRE, self).__init__()
      self.ecre = nn.Sequential(
          CNA(in_c, in_c * up_scale * up_scale, norm=norm),
          nn.PixelShuffle(up_scale),
      )
  
imports: import torch
  import torch.nn
label_desc: Use image node_id 1 to create a new ECRE object from inherited base classes: nn with example: obj = ECRE(in_c, up_scale, norm)