============================= test session starts ==============================
platform linux -- Python 3.10.1, pytest-6.2.5, py-1.11.0, pluggy-0.13.1
rootdir: /build/python-infinity/src/infinity-1.5
collected 0 items / 1 error

==================================== ERRORS ====================================
______________________ ERROR collecting test_infinity.py _______________________
ImportError while importing test module '/build/python-infinity/src/infinity-1.5/test_infinity.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)
test_infinity.py:5: in <module>
    import six
E   ModuleNotFoundError: No module named 'six'
=========================== short test summary info ============================
ERROR test_infinity.py
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
=============================== 1 error in 0.30s ===============================
==> ERROR: A failure occurred in check().
    Aborting...