code: def forward(self, input_):
      return self.lambda_func(self.forward_prepare(input_))
  
file_path: pywick/pywick/models/classification/resnext_features/resnext101_32x4d_features.py
imports: from functools import reduce
  import torch.nn
label_desc: Use image node_id 2 for calling the Lambda obj's underlying member method code with example usage: obj.forward(input_) and returns: self