/usr/lib/python2.7/dist-packages/kinterbasdb/typeconv_datetime_naked.py is in python-kinterbasdb 3.3.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/kinterbasdb/../../../../share/pyshared/kinterbasdb/typeconv_datetime_naked.py