Control: reopen -1 still fails with 1.9.0-2:
==================================== ERRORS ==================================== _________________ ERROR collecting tests/test_macos_checks.py __________________ ImportError while importing test module '/tmp/autopkgtest-lxc.i5mf5v7q/downtmp/autopkgtest_tmp/tests/test_macos_checks.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/test_macos_checks.py:3: in <module> import mock E ModuleNotFoundError: No module named 'mock'