/usr/lib/libreoffice/share/extensions/voikko/pythonpath/ is in libreoffice-voikko 5.0-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/GrammarChecker.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/HyphenatedWord.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/Hyphenator.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/PossibleHyphens.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/PropertyManager.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/SettingsEventHandler.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/SpellAlternatives.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/SpellChecker.py
/usr/lib/libreoffice/share/extensions/voikko/pythonpath/VoikkoHandlePool.py