code: def test_list():
      data = [object() for _ in range(5)]
      passthrough = batchify.List()(data)
      assert passthrough == data
  
file_path: gluon-nlp/tests/test_data_batchify.py
imports: import numpy
  from numpy.testing import assert_allclose
  from collections import namedtuple
  import mxnet
  from gluonnlp.data import batchify
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_list() without return types