code: def forward(self, input_):
      x = self.resnext101_32x4d_features(input_)
      return x
  
imports: import torch
  import torch.nn
  from torch.autograd import Variable
  from functools import reduce
label_desc: Use image node_id 2 for calling the resnext101_32x4d_features_blob obj's underlying member method code with example usage: obj.forward(input_) and returns: x