============================= test session starts ==============================
platform linux -- Python 3.10.1, pytest-6.2.5, py-1.11.0, pluggy-0.13.1
rootdir: /build/python-fields/src/python-fields-5.0.0, configfile: setup.cfg
collected 159 items / 2 errors / 157 selected

==================================== ERRORS ====================================
_____________________ ERROR collecting tests/test_perf.py ______________________
tests/test_perf.py:8: in <module>
    from characteristic import Attribute
E   ModuleNotFoundError: No module named 'characteristic'
_____________________ ERROR collecting tests/test_perf.py ______________________
ImportError while importing test module '/build/python-fields/src/python-fields-5.0.0/tests/test_perf.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_perf.py:8: in <module>
    from characteristic import Attribute
E   ModuleNotFoundError: No module named 'characteristic'
=============================== warnings summary ===============================
../../../../usr/lib/python3.10/site-packages/_pytest/config/__init__.py:1183
  /usr/lib/python3.10/site-packages/_pytest/config/__init__.py:1183: PytestDeprecationWarning: The --strict option is deprecated, use --strict-markers instead.
    self.issue_config_time_warning(

-- Docs: https://docs.pytest.org/en/stable/warnings.html
=========================== short test summary info ============================
ERROR tests/test_perf.py - ModuleNotFoundError: No module named 'characteristic'
ERROR tests/test_perf.py
!!!!!!!!!!!!!!!!!!! Interrupted: 2 errors during collection !!!!!!!!!!!!!!!!!!!!
========================= 1 warning, 2 errors in 0.60s =========================
[1m[31m==> ERROR:[m[1m A failure occurred in check().[m
[1m    Aborting...[m
