code: def forward(self, x):
      residual = self.conv1(x)
      residual = self.relu(residual)
      residual = self.conv2(residual)
      out = x + residual
      return out
  
file_path: pywick/pywick/models/segmentation/gcnnets/gcn.py
imports: import torch
  import torch.nn.functional
  from torch import nn
  from torchvision import models
  import os
  from math import floor
label_desc: Use image node_id 2 for calling the _BoundaryRefineModule obj's underlying member method code with example usage: obj.forward(x) and returns: out