code: def forward(self, x, y):
      x = self.up1(
          x, scale_factor=2, mode="bilinear", align_corners=True
      )
      x = torch.cat([x, y], dim=1)
      x = self.downconv(x)
      return x
  
imports: import torch
  import torch.nn
  from torch.nn import Module
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the UpConv obj's underlying member method code with example usage: obj.forward(x, y) and returns: x