def _update_group_permissions(self, request): group = settings.CONSTANCE_GROUP_FOR_FTP_USERS folder = settings.CONSTANCE_USER_FOLDERS # Expected .../folder_name/ try: os.system(f"chgrp {group} {folder[-1]}") os.system(f"chgrp {group} {folder}*") os.system(f"chmod 070 {folder[-1]}") os.system(f"chmod 070 {folder}*") self.message_user( request, f"Add permissions for folder to `{group}` group", level=messages.SUCCESS, ) except Exception as e: self.message_user( request, f"Failed to add permissions for group `{group}`. {str(e)}", level=messages.SUCCESS, ) 

FAILED apps/accounts/admin.py::BLACK Traceback (most recent call last): File "/usr/local/lib/python3.7/dist-packages/pytest/__main__.py", line 7, in <module> raise SystemExit(pytest.main()) File "/usr/local/lib/python3.7/dist-packages/_pytest/config/__init__.py", line 125, in main config=config File "/usr/local/lib/python3.7/dist-packages/pluggy/hooks.py", line 286, in __call__ return self._hookexec(self, self.get_hookimpls(), kwargs) File "/usr/local/lib/python3.7/dist-packages/pluggy/manager.py", line 93, in _hookexec return self._inner_hookexec(hook, methods, kwargs) File "/usr/local/lib/python3.7/dist-packages/pluggy/manager.py", line 87, in <lambda> firstresult=hook.spec.opts.get("firstresult") if hook.spec else False, File "/usr/local/lib/python3.7/dist-packages/pluggy/callers.py", line 208, in _multicall return outcome.get_result() File "/usr/local/lib/python3.7/dist-packages/pluggy/callers.py", line 80, in get_result raise ex[1].with_traceback(ex[2]) File "/usr/local/lib/python3.7/dist-packages/pluggy/callers.py", line 187, in _multicall res = hook_impl.function(*args) File "/usr/local/lib/python3.7/dist-packages/_pytest/main.py", line 240, in pytest_cmdline_main return wrap_session(config, _main) File "/usr/local/lib/python3.7/dist-packages/_pytest/main.py", line 229, in wrap_session session=session, exitstatus=session.exitstatus File "/usr/local/lib/python3.7/dist-packages/pluggy/hooks.py", line 286, in __call__ return self._hookexec(self, self.get_hookimpls(), kwargs) File "/usr/local/lib/python3.7/dist-packages/pluggy/manager.py", line 93, in _hookexec return self._inner_hookexec(hook, methods, kwargs) File "/usr/local/lib/python3.7/dist-packages/pluggy/manager.py", line 87, in <lambda> firstresult=hook.spec.opts.get("firstresult") if hook.spec else False, File "/usr/local/lib/python3.7/dist-packages/pluggy/callers.py", line 203, in _multicall gen.send(outcome) File "/usr/local/lib/python3.7/dist-packages/_pytest/terminal.py", line 731, in pytest_sessionfinish self.write_sep("!", session.shouldfail, red=True) File "/usr/local/lib/python3.7/dist-packages/_pytest/terminal.py", line 391, in write_sep self._tw.sep(sep, title, **markup) File "/usr/local/lib/python3.7/dist-packages/py/_io/terminalwriter.py", line 232, in sep N = max((fullwidth - len(title) - 2) // (2*len(sepchar)), 1) TypeError: object of type 'bool' has no len() make: *** [Makefile:15: test] Error 1 

isort==4.3.21 ipython==5.8.0 black==19.3b0 coverage==5.2.1 pytest==5.4.3 pytest-black==0.3.10 pytest-django==3.9.0 pytest-isort==1.1.0 pytest-instafail==0.4.2 pytest-blockage==0.2.2 pytest-xdist==1.34.0 django-test-plus==1.4.0 fakeredis==1.4.5 bandit==1.7.0 pytest-bandit==0.5.2 

pytest --black --ff --isort --blockage --instafail -n 0 --pdb -v