code: def __init__(self, num_channels):
      super(Rescale_channel, self).__init__()
      self.num_channels = num_channels
      self.weight = nn.Parameter(torch.zeros([num_channels]))
  
imports: import numpy
  import torch
  import torch.nn
label_desc: Use image node_id 1 to create a new Rescale_channel object from inherited base classes: nn with example: obj = Rescale_channel(num_channels)