old_contents: #
  # Copyright (C) 2021 Satoru SATOH <satoru.satoh@gmail.com>
  # SPDX-License-Identifier: MIT
  #
  # pylint: disable=missing-docstring
  r"""Common utility functions.
  """
  import pathlib
  
  
  TESTS_DIR = pathlib.Path(__file__).parent.parent.resolve()
  RES_DIR = TESTS_DIR / 'res'
  
  NULL_CNTNR = dict()
  
  DATA = '3.149265'  # for test_utils.py
  
  # vim:sw=4:ts=4:et:
  
new_contents: #
  # Copyright (C) 2021 Satoru SATOH <satoru.satoh@gmail.com>
  # SPDX-License-Identifier: MIT
  #
  # pylint: disable=missing-docstring
  r"""Common utility functions.
  """
  import pathlib
  import typing
  
  
  TESTS_DIR = pathlib.Path(__file__).parent.parent.resolve()
  RES_DIR = TESTS_DIR / 'res'
  
  NULL_CNTNR: typing.Dict[str, typing.Any] = dict()
  
  DATA = '3.149265'  # for test_utils.py
  
  # vim:sw=4:ts=4:et:
  
subject: add missing type hint to tests.base.common.NULL_CNTNR