/usr/lib/ is in python-ibus 1.5.5-1ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/ibus/
/usr/lib/python2.7/dist-packages/ibus/inputcontext.py
/usr/lib/python2.7/dist-packages/ibus/exception.py
/usr/lib/python2.7/dist-packages/ibus/text.py
/usr/lib/python2.7/dist-packages/ibus/lang.py
/usr/lib/python2.7/dist-packages/ibus/application.py
/usr/lib/python2.7/dist-packages/ibus/modifier.py
/usr/lib/python2.7/dist-packages/ibus/_gtk.py
/usr/lib/python2.7/dist-packages/ibus/component.py
/usr/lib/python2.7/dist-packages/ibus/object.py
/usr/lib/python2.7/dist-packages/ibus/attribute.py
/usr/lib/python2.7/dist-packages/ibus/engine.py
/usr/lib/python2.7/dist-packages/ibus/interface/
/usr/lib/python2.7/dist-packages/ibus/interface/iconfig.py
/usr/lib/python2.7/dist-packages/ibus/interface/iengine.py
/usr/lib/python2.7/dist-packages/ibus/interface/inotifications.py
/usr/lib/python2.7/dist-packages/ibus/interface/__init__.py
/usr/lib/python2.7/dist-packages/ibus/interface/ienginefactory.py
/usr/lib/python2.7/dist-packages/ibus/interface/ipanel.py
/usr/lib/python2.7/dist-packages/ibus/interface/iinputcontext.py
/usr/lib/python2.7/dist-packages/ibus/interface/iibus.py
/usr/lib/python2.7/dist-packages/ibus/enginedesc.py
/usr/lib/python2.7/dist-packages/ibus/utility.py
/usr/lib/python2.7/dist-packages/ibus/__init__.py
/usr/lib/python2.7/dist-packages/ibus/ascii.py
/usr/lib/python2.7/dist-packages/ibus/common.py
/usr/lib/python2.7/dist-packages/ibus/_config.py
/usr/lib/python2.7/dist-packages/ibus/observedpath.py
/usr/lib/python2.7/dist-packages/ibus/factory.py
/usr/lib/python2.7/dist-packages/ibus/bus.py
/usr/lib/python2.7/dist-packages/ibus/lookuptable.py
/usr/lib/python2.7/dist-packages/ibus/serializable.py
/usr/lib/python2.7/dist-packages/ibus/panel.py
/usr/lib/python2.7/dist-packages/ibus/config.py
/usr/lib/python2.7/dist-packages/ibus/property.py
/usr/lib/python2.7/dist-packages/ibus/keysyms.py
/usr/lib/python2.7/dist-packages/ibus/notifications.py