code: def forward(self, x):
      x = self.conv(x)
      x = self.bn(x)
      x = self.relu(x)
      x = self.pixel_shuffle(x)
      return x
  
file_path: pywick/pywick/models/segmentation/duc_hdc.py
imports: import torch
  from torch import nn
  from torchvision import models
  from .config import res152_path
label_desc: Use image node_id 2 for calling the _DenseUpsamplingConvModule obj's underlying member method code with example usage: obj.forward(x) and returns: x