/usr/share/vitables/vitables/plugins/ is in vitables 2.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/vitables/vitables/plugins/__init__.py
/usr/share/vitables/vitables/plugins/csv/
/usr/share/vitables/vitables/plugins/csv/__init__.py
/usr/share/vitables/vitables/plugins/csv/export_csv.py
/usr/share/vitables/vitables/plugins/csv/icons/
/usr/share/vitables/vitables/plugins/csv/icons/document-export.png
/usr/share/vitables/vitables/plugins/csv/icons/document-import.png
/usr/share/vitables/vitables/plugins/csv/import_csv.py
/usr/share/vitables/vitables/plugins/menu/
/usr/share/vitables/vitables/plugins/menu/__init__.py
/usr/share/vitables/vitables/plugins/menu/plugins_menu.py
/usr/share/vitables/vitables/plugins/timeseries/
/usr/share/vitables/vitables/plugins/timeseries/__init__.py
/usr/share/vitables/vitables/plugins/timeseries/timeFormatterDlg.py
/usr/share/vitables/vitables/plugins/timeseries/time_format.ini
/usr/share/vitables/vitables/plugins/timeseries/time_series.py
/usr/share/vitables/vitables/plugins/timeseries/timeformatter_dlg.ui