code: def load(infile):
      DATA = scipy.io.loadmat(infile, chars_as_strings=True)
      return DATA
  
imports: import os
  from contextlib import nullcontext
  import warnings
  import glob
  import numpy
  import scipy.io
  import scipy.signal
  from typing import Any, ContextManager
  import pytest
  import librosa
label_desc: Use image node_id 2 for calling a global function with example usage: load(infile) and returns: DATA