============================= 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-sphinx-argparse/src/python-sphinx-argparse-0.3.1 collecting ... collected 0 items / 1 error ==================================== ERRORS ==================================== _____________________ ERROR collecting test/test_parser.py _____________________ ImportError while importing test module '/build/python-sphinx-argparse/src/python-sphinx-argparse-0.3.1/test/test_parser.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: /usr/lib/python3.10/site-packages/_pytest/python.py:578: in _importtestmodule mod = import_path(self.fspath, mode=importmode) /usr/lib/python3.10/site-packages/_pytest/pathlib.py:524: in import_path importlib.import_module(module_name) /usr/lib/python3.10/importlib/__init__.py:126: in import_module return _bootstrap._gcd_import(name[level:], package, level) :1050: in _gcd_import ??? :1027: in _find_and_load ??? :1006: in _find_and_load_unlocked ??? :688: in _load_unlocked ??? /usr/lib/python3.10/site-packages/_pytest/assertion/rewrite.py:170: in exec_module exec(co, module.__dict__) test/test_parser.py:3: in import six E ModuleNotFoundError: No module named 'six' =========================== short test summary info ============================ ERROR test/test_parser.py !!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!! =============================== 1 error in 0.72s =============================== ==> ERROR: A failure occurred in check().  Aborting...