logilab/common/optik_ext.py:365: note: This violates the Liskov substitution principle logilab/common/optik_ext.py:365: note: See https://mypy.readthedocs.io/en/stable/common_issues.html#incompatible-overrides logilab/common/optik_ext.py:371: error: Argument 1 to "format_option_strings" of "HelpFormatter" has incompatible type "OptionParser"; expected "Option" Found 6 errors in 3 files (checked 41 source files) ERROR: InvocationError for command /builds/open-source/logilab-common/.tox/mypy/bin/mypy --ignore-missing-imports logilab (exited with code 1) ___________________________________ summary ____________________________________ ERROR: mypy: commands failed Cleaning up file based variables ERROR: Job failed: command terminated with exit code 1