/usr/lib/python2.7/dist-packages/schooltool/note/ is in python-schooltool 1:2.6.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/schooltool/note/__init__.py
/usr/lib/python2.7/dist-packages/schooltool/note/browser.py
/usr/lib/python2.7/dist-packages/schooltool/note/configure.zcml
/usr/lib/python2.7/dist-packages/schooltool/note/ftesting.zcml
/usr/lib/python2.7/dist-packages/schooltool/note/ftests.py
/usr/lib/python2.7/dist-packages/schooltool/note/interfaces.py
/usr/lib/python2.7/dist-packages/schooltool/note/note-configure.zcml
/usr/lib/python2.7/dist-packages/schooltool/note/note.py
/usr/lib/python2.7/dist-packages/schooltool/note/note_add.pt
/usr/lib/python2.7/dist-packages/schooltool/note/notes.pt
/usr/lib/python2.7/dist-packages/schooltool/note/notes_browser.txt
/usr/lib/python2.7/dist-packages/schooltool/note/tests.py