/usr/lib/python3/dist-packages/dbus/_compat.py is in python3-dbus 1.2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | # Python 2 / Python 3 compatibility helpers.
import sys
is_py3 = (sys.version_info.major == 3)
is_py2 = not is_py3
|