class_docstr: FeatureExtractor of FAN (http://openaccess.thecvf.com/content_ICCV_2017/papers/Cheng_Focusing_Attention_Towards_ICCV_2017_paper.pdf) 
class_docstr_tok: ["FeatureExtractor","of","FAN","(","http",":","\/\/openaccess.thecvf.com\/content_ICCV_2017\/papers\/Cheng_Focusing_Attention_Towards_ICCV_2017_paper.pdf",")"]
code: def forward(self, input):
      return self.ConvNet(input)
  
imports: import torch
  import torch.nn
  import torch.nn.init
  import torchvision
  from torchvision import models
  from collections import namedtuple
  from packaging import version
label_desc: Use image node_id 2 for calling the ResNet_FeatureExtractor obj's underlying member method code with example usage: obj.forward(input) and returns: self