code: def forward(self, x):
      up_x = torch_nn_func.interpolate(
          x, scale_factor=self.ratio, mode="nearest"
      )
      out = self.conv(up_x)
      out = self.relu(out)
      return out
  
file_path: ARKitScenes/depth_upsampling/models/mspf/blocks/multi_scale_depth.py
imports: import torch.nn.functional
  from torch import nn
label_desc: Use image node_id 2 for calling the Upsample2D obj's underlying member method code with example usage: obj.forward(x) and returns: out