sudo chown -R root:odoo /usr/lib/python3/dist-packages/odoo/custom/addons/

sudo find /usr/lib/python3/dist-packages/odoo/custom/addons/ -type d -exec chmod 755 {} \;

sudo find /usr/lib/python3/dist-packages/odoo/custom/addons/ -type f -exec chmod 644 {} \;