code: def nfe(self):
      return self.odefunc.nfe
  
imports: import os
  import argparse
  import logging
  import time
  import numpy
  import torch
  import torch.nn
  from torch.utils.data import DataLoader
  import torchvision.datasets
  import torchvision.transforms
label_desc: Use image node_id 3 for calling the ODEBlock obj's underlying member method code with example usage: obj.nfe() and returns: self