/usr/share/buildnotify/buildnotifylib/ is in buildnotify 0.3.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/buildnotify/buildnotifylib/__init__.py
/usr/share/buildnotify/buildnotifylib/app_menu.py
/usr/share/buildnotify/buildnotifylib/app_notification.py
/usr/share/buildnotify/buildnotifylib/app_ui.py
/usr/share/buildnotify/buildnotifylib/build_icons.py
/usr/share/buildnotify/buildnotifylib/buildnotify.py
/usr/share/buildnotify/buildnotifylib/config.py
/usr/share/buildnotify/buildnotifylib/core/
/usr/share/buildnotify/buildnotifylib/core/__init__.py
/usr/share/buildnotify/buildnotifylib/core/distance_of_time.py
/usr/share/buildnotify/buildnotifylib/core/http_connection.py
/usr/share/buildnotify/buildnotifylib/core/projects.py
/usr/share/buildnotify/buildnotifylib/core/timed_event.py
/usr/share/buildnotify/buildnotifylib/generated/
/usr/share/buildnotify/buildnotifylib/generated/__init__.py
/usr/share/buildnotify/buildnotifylib/generated/icons_rc.py
/usr/share/buildnotify/buildnotifylib/generated/preferences_ui.py
/usr/share/buildnotify/buildnotifylib/generated/server_configuration_ui.py
/usr/share/buildnotify/buildnotifylib/notifications.py
/usr/share/buildnotify/buildnotifylib/preferences.py
/usr/share/buildnotify/buildnotifylib/project_status_notification.py
/usr/share/buildnotify/buildnotifylib/server_configuration_dialog.py
/usr/share/buildnotify/buildnotifylib/version.py