0.28: `imp` module is deprecated

Looks like pytest shows warning about imp

+ /usr/bin/pytest -ra -m 'not network'
==================================================================================== test session starts ====================================================================================
platform linux -- Python 3.8.18, pytest-7.4.0, pluggy-1.3.0
rootdir: /home/tkloczko/rpmbuild/BUILD/pyxdg-rel-0.28
collected 57 items

test/test_basedirectory.py ........                                                                                                                                                   [ 14%]
test/test_desktop.py ..........                                                                                                                                                       [ 31%]
test/test_icon.py ....                                                                                                                                                                [ 38%]
test/test_inifile.py ...                                                                                                                                                              [ 43%]
test/test_locale.py .                                                                                                                                                                 [ 45%]
test/test_menu.py .....                                                                                                                                                               [ 54%]
test/test_menu_rules.py ..                                                                                                                                                            [ 57%]
test/test_mime.py ......................                                                                                                                                              [ 96%]
test/test_recentfiles.py ..                                                                                                                                                           [100%]

===================================================================================== warnings summary ======================================================================================
test/test_basedirectory.py:12
  /home/tkloczko/rpmbuild/BUILD/pyxdg-rel-0.28/test/test_basedirectory.py:12: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
    from imp import reload

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
=============================================================================== 57 passed, 1 warning in 3.19s ===============================================================================