/usr/lib/ is in python-acidobasic 2.2-1.
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/pyacidobasic/
/usr/lib/python2.7/dist-packages/pyacidobasic/reactifs.py
/usr/lib/python2.7/dist-packages/pyacidobasic/burettelistwidget.py
/usr/lib/python2.7/dist-packages/pyacidobasic/Ui_prelevement.py
/usr/lib/python2.7/dist-packages/pyacidobasic/acidebase.py
/usr/lib/python2.7/dist-packages/pyacidobasic/prelevement.py
/usr/lib/python2.7/dist-packages/pyacidobasic/version.py
/usr/lib/python2.7/dist-packages/pyacidobasic/Ui_main.py
/usr/lib/python2.7/dist-packages/pyacidobasic/curveControl.py
/usr/lib/python2.7/dist-packages/pyacidobasic/Ui_curvecontrol.py
/usr/lib/python2.7/dist-packages/pyacidobasic/__init__.py
/usr/lib/python2.7/dist-packages/pyacidobasic/becherlistwidget.py
/usr/lib/python2.7/dist-packages/pyacidobasic/dozzz.py
/usr/lib/python2.7/dist-packages/pyacidobasic/phplot.py
/usr/lib/python2.7/dist-packages/pyacidobasic-2.2.egg-info