/usr/lib/python2.7/dist-packages/libsmbios_c/system_info.py is in python-libsmbios 2.2.28-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/libsmbios_c/../../../../share/pyshared/libsmbios_c/system_info.py