/usr/share/moin/data/plugin/ is in python-moinmoin 1.9.9-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/moin/data/plugin/__init__.py
/usr/share/moin/data/plugin/action/
/usr/share/moin/data/plugin/action/__init__.py
/usr/share/moin/data/plugin/converter/
/usr/share/moin/data/plugin/converter/__init__.py
/usr/share/moin/data/plugin/events/
/usr/share/moin/data/plugin/events/__init__.py
/usr/share/moin/data/plugin/filter/
/usr/share/moin/data/plugin/filter/__init__.py
/usr/share/moin/data/plugin/formatter/
/usr/share/moin/data/plugin/formatter/__init__.py
/usr/share/moin/data/plugin/macro/
/usr/share/moin/data/plugin/macro/__init__.py
/usr/share/moin/data/plugin/parser/
/usr/share/moin/data/plugin/parser/__init__.py
/usr/share/moin/data/plugin/theme/
/usr/share/moin/data/plugin/theme/__init__.py
/usr/share/moin/data/plugin/userprefs/
/usr/share/moin/data/plugin/userprefs/__init__.py
/usr/share/moin/data/plugin/xmlrpc/
/usr/share/moin/data/plugin/xmlrpc/__init__.py