code: def forward(self, inputs0, *input_):
      # print(self.n_concat)
      # print(input_)
      outputs0 = self.up(inputs0)
      for i in range(len(input_)):
          outputs0 = torch.cat([outputs0, input_[i]], 1)
      return self.conv(outputs0)
  
imports: import torch
  import torch.nn
  import torch.nn.functional
  from torch.nn import init
label_desc: Use image node_id 2 for calling the unetUp obj's underlying member method code with example usage: obj.forward(inputs0) and returns: self