/usr/ is in python-apt-common 1.1.0~beta1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/python-apt/
/usr/share/python-apt/templates/
/usr/share/python-apt/templates/Tanglu.info
/usr/share/python-apt/templates/Ubuntu.mirrors
/usr/share/python-apt/templates/Tanglu.mirrors
/usr/share/python-apt/templates/Debian.mirrors
/usr/share/python-apt/templates/gNewSense.mirrors
/usr/share/python-apt/templates/Blankon.info
/usr/share/python-apt/templates/Debian.info
/usr/share/python-apt/templates/gNewSense.info
/usr/share/python-apt/templates/Ubuntu.info
/usr/share/python-apt/templates/Blankon.mirrors
/usr/share/doc/
/usr/share/doc/python-apt-common/
/usr/share/doc/python-apt-common/copyright
/usr/share/doc/python-apt-common/changelog.gz