code: def __init__(self, diffeq):
      self.diffeq = diffeq
      self.nfe = 0
  
file_path: torchdiffeq/tests/DETEST/run.py
imports: import time
  import numpy
  from scipy.stats.mstats import gmean
  import torch
  from torchdiffeq import odeint
  import detest
label_desc: Use image node_id 1 to create a new NFEDiffEq object  with example: obj = NFEDiffEq(diffeq)