============================= test session starts ==============================
platform linux -- Python 3.10.1, pytest-6.2.5, py-1.11.0, pluggy-0.13.1 -- /usr/bin/python
cachedir: .pytest_cache
rootdir: /build/python-tzlocal/src/python-tzlocal-4.0.1, configfile: pyproject.toml, testpaths: tests
plugins: mock-3.6.1
collecting ... collected 0 items / 1 error

==================================== ERRORS ====================================
____________________ ERROR collecting tests/test_tzlocal.py ____________________
ImportError while importing test module '/build/python-tzlocal/src/python-tzlocal-4.0.1/tests/test_tzlocal.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.10/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
tests/test_tzlocal.py:10: in <module>
    import tzlocal.unix
tzlocal/__init__.py:10: in <module>
    from tzlocal.unix import get_localzone, get_localzone_name, reload_localzone
tzlocal/unix.py:6: in <module>
    import pytz_deprecation_shim as pds
E   ModuleNotFoundError: No module named 'pytz_deprecation_shim'
=========================== short test summary info ============================
ERROR tests/test_tzlocal.py
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
=============================== 1 error in 0.61s ===============================
==> ERROR: A failure occurred in check().
    Aborting...