code: def test_utils_remove_key_with_none_value():
      mock_data = [1, 2, 3]
      list_res = utils.remove_key_with_none_value(mock_data)
      assert list_res == mock_data
  
      mock_data_none = None
      none_res = utils.remove_key_with_none_value(mock_data_none)
      assert none_res == mock_data_none
  
imports: from nose.tools import assert_equal
  from pyecharts.commons import utils
  from pyecharts.datasets import EXTRA
label_desc: Use image node_id 5 for calling a global function with example usage: test_utils_remove_key_with_none_value() without return types