code: def forward(self, net: Tensor) -> Tensor:
      net = nn.functional.pad(
          net, (0, 1, 0, 1), mode="constant", value=0.0
      )
      net = self.net(net)
      return net
  
imports: import torch
  import torch.nn
  from torch import Tensor
  from typing import List
  from typing import Optional
  from .schema import EncoderMixin
  from ....modules.blocks import Conv2d
label_desc: Use image node_id 2 for calling the Downsample obj's underlying member method code with example usage: obj.forward(net) and returns: net