/usr/lib/python2.7/dist-packages/traitlets/_version.py is in python-traitlets 4.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | version_info = (4, 3, 1)
__version__ = '.'.join(map(str, version_info))
|