code: def test_unique_in_list():
      """Tests unique in list"""
      assert unique_in_list(None) is None
      assert unique_in_list([]) is None
      assert unique_in_list([0, 1, 2]) == [0, 1, 2]
      assert unique_in_list([0, 1, 2, [3]]) == [0, 1, 2, 3]
      assert unique_in_list(
          [0, 1, 2, [3]], ignored_elements=(1, 3)
      ) == [0, 2]
      assert unique_in_list(
          [0, 0, [None], [[None]], [[[None]]]], ignored_elements=(None,)
      ) == [0]
      assert (
          unique_in_list(
              [0, 0, [None], [[None]]],
              ignored_elements=(
                  0,
                  None,
              ),
          )
          is None
      )
  
imports: import warnings
  from dataclasses import dataclass
  from typing import List
  import numpy
  import pandas
  import pytest
  import scipy
  from greykite.common import constants
  from greykite.common.evaluation import ElementwiseEvaluationMetricEnum
  from greykite.common.python_utils import apply_func_to_columns
  from greykite.common.python_utils import assert_equal
  from greykite.common.python_utils import dictionaries_values_to_lists
  from greykite.common.python_utils import dictionary_values_to_lists
  from greykite.common.python_utils import flatten_list
  from greykite.common.python_utils import get_integer
  from greykite.common.python_utils import get_pattern_cols
  from greykite.common.python_utils import group_strs_with_regex_patterns
  from greykite.common.python_utils import ignore_warnings
  from greykite.common.python_utils import mutable_field
  from greykite.common.python_utils import reorder_columns
  from greykite.common.python_utils import split_offset_str
  from greykite.common.python_utils import unique_dict_in_list
  from greykite.common.python_utils import unique_elements_in_list
  from greykite.common.python_utils import unique_in_list
  from greykite.common.python_utils import update_dictionaries
  from greykite.common.python_utils import update_dictionary
label_desc: Use image node_id 10 for calling a global function with example usage: test_unique_in_list() without return types