/usr/lib/python2.7/dist-packages/notebook/bundler/ is in python-notebook 5.2.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/notebook/bundler/__init__.py
/usr/lib/python2.7/dist-packages/notebook/bundler/__main__.py
/usr/lib/python2.7/dist-packages/notebook/bundler/bundlerextensions.py
/usr/lib/python2.7/dist-packages/notebook/bundler/handlers.py
/usr/lib/python2.7/dist-packages/notebook/bundler/tarball_bundler.py
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/__init__.py
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/another_subdir/
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/another_subdir/test_file.txt
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/empty.ipynb
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/subdir/
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/subdir/subsubdir/
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/subdir/subsubdir/.gitkeep
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/resources/subdir/test_file.txt
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/test_bundler_api.py
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/test_bundler_tools.py
/usr/lib/python2.7/dist-packages/notebook/bundler/tests/test_bundlerextension.py
/usr/lib/python2.7/dist-packages/notebook/bundler/tools.py
/usr/lib/python2.7/dist-packages/notebook/bundler/zip_bundler.py