============================= test session starts ============================== platform linux -- Python 3.10.1, pytest-6.2.5, py-1.11.0, pluggy-0.13.1 rootdir: /build/python-dephell-shells/src/dephell_shells-0.1.5 collected 0 items / 2 errors ==================================== ERRORS ==================================== ____________________ ERROR collecting tests/test_manager.py ____________________ ImportError while importing test module '/build/python-dephell-shells/src/dephell_shells-0.1.5/tests/test_manager.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_manager.py:2: in from dephell_shells import Shells dephell_shells/__init__.py:1: in from ._manager import Shells dephell_shells/_manager.py:9: in from shellingham import ShellDetectionFailure, detect_shell E ModuleNotFoundError: No module named 'shellingham' ____________________ ERROR collecting tests/test_shells.py _____________________ ImportError while importing test module '/build/python-dephell-shells/src/dephell_shells-0.1.5/tests/test_shells.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_shells.py:2: in from dephell_shells import Shells dephell_shells/__init__.py:1: in from ._manager import Shells dephell_shells/_manager.py:9: in from shellingham import ShellDetectionFailure, detect_shell E ModuleNotFoundError: No module named 'shellingham' =========================== short test summary info ============================ ERROR tests/test_manager.py ERROR tests/test_shells.py !!!!!!!!!!!!!!!!!!! Interrupted: 2 errors during collection !!!!!!!!!!!!!!!!!!!! ============================== 2 errors in 0.37s =============================== ==> ERROR: A failure occurred in check().  Aborting...