/usr/share/gajim/plugins/ is in gajim-omemo 1.0.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gajim/plugins/omemo/
/usr/share/gajim/plugins/omemo/__init__.py
/usr/share/gajim/plugins/omemo/config_dialog.ui
/usr/share/gajim/plugins/omemo/fpr_dialog.ui
/usr/share/gajim/plugins/omemo/manifest.ini
/usr/share/gajim/plugins/omemo/omemo/
/usr/share/gajim/plugins/omemo/omemo.png
/usr/share/gajim/plugins/omemo/omemo/__init__.py
/usr/share/gajim/plugins/omemo/omemo/aes_gcm.py
/usr/share/gajim/plugins/omemo/omemo/aes_gcm_fallback.py
/usr/share/gajim/plugins/omemo/omemo/aes_gcm_native.py
/usr/share/gajim/plugins/omemo/omemo/db_helpers.py
/usr/share/gajim/plugins/omemo/omemo/encryption.py
/usr/share/gajim/plugins/omemo/omemo/liteaxolotlstore.py
/usr/share/gajim/plugins/omemo/omemo/liteidentitykeystore.py
/usr/share/gajim/plugins/omemo/omemo/liteprekeystore.py
/usr/share/gajim/plugins/omemo/omemo/litesessionstore.py
/usr/share/gajim/plugins/omemo/omemo/litesignedprekeystore.py
/usr/share/gajim/plugins/omemo/omemo/sql.py
/usr/share/gajim/plugins/omemo/omemo/state.py
/usr/share/gajim/plugins/omemo/omemo16x16.png
/usr/share/gajim/plugins/omemo/omemoplugin.py
/usr/share/gajim/plugins/omemo/ui.py
/usr/share/gajim/plugins/omemo/xmpp.py