/usr/share/doc/diveintopython/html/appendix/ is in diveintopython 5.4-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/diveintopython/html/appendix/about.html
/usr/share/doc/diveintopython/html/appendix/abstracts.html
/usr/share/doc/diveintopython/html/appendix/examples.html
/usr/share/doc/diveintopython/html/appendix/fdl.html
/usr/share/doc/diveintopython/html/appendix/fdl_aggregation.html
/usr/share/doc/diveintopython/html/appendix/fdl_applicability.html
/usr/share/doc/diveintopython/html/appendix/fdl_collections.html
/usr/share/doc/diveintopython/html/appendix/fdl_combining.html
/usr/share/doc/diveintopython/html/appendix/fdl_copying.html
/usr/share/doc/diveintopython/html/appendix/fdl_copyinginquantity.html
/usr/share/doc/diveintopython/html/appendix/fdl_future.html
/usr/share/doc/diveintopython/html/appendix/fdl_howto.html
/usr/share/doc/diveintopython/html/appendix/fdl_modifications.html
/usr/share/doc/diveintopython/html/appendix/fdl_termination.html
/usr/share/doc/diveintopython/html/appendix/fdl_translation.html
/usr/share/doc/diveintopython/html/appendix/furtherreading.html
/usr/share/doc/diveintopython/html/appendix/history.html
/usr/share/doc/diveintopython/html/appendix/license.html
/usr/share/doc/diveintopython/html/appendix/license_terms.html
/usr/share/doc/diveintopython/html/appendix/tips.html