code: def normalize_benchmarks(ops):
      return [i + (None,) if len(i) == 3 else i for i in ops]
  
imports: import argparse
  import operator
  import time
  import matplotlib.pyplot
  import numpy
  import pandas
  import seaborn
  import torch
  import torch._C._te
label_desc: Use image node_id 10 for calling a global function with example usage: normalize_benchmarks(ops) and returns: unknown