code: def assertEqualListOfArrays(list1, list2):
      for ar1, ar2 in zip(list1, list2):
          assert_array_equal(ar1, ar2)
  
imports: import unittest
  from unit_timeside import TestRunner
  from timeside.core.preprocessors import downmix_to_mono, frames_adapter
  import numpy
  from numpy.testing import assert_array_equal
label_desc: Use image node_id 2 for calling a global function with example usage: assertEqualListOfArrays(list1, list2) without return types