/usr/lib/python3/dist-packages/lxml/pyclasslookup.py is in python3-lxml 4.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # dummy module for backwards compatibility
from lxml.etree import PythonElementClassLookup
|