code: def forward(self, x):
      x = self.conv1(x)
      x = self.bn1(x)
      x = self.prelu(x)
      x = self.layer1(x)
      x = self.layer2(x)
      x = self.layer3(x)
      x = self.layer4(x)
      x = self.bn2(x)
      x = flow.flatten(x, 1)
      x = self.dropout(x)
      x = self.fc(x)
      x = self.features(x)
  
      return x
  
file_path: insightface/recognition/arcface_oneflow/backbones/ir_resnet.py
imports: import oneflow
  import oneflow.nn
  from typing import Type, Any, Callable, Union, List, Optional
label_desc: Use image node_id 3 for calling the IResNet obj's underlying member method code with example usage: obj.forward(x) and returns: x