/usr/share/man/man1/python3-dbg.1.gz is in python3-dbg 3.5.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/python3.5-dbg.1.gz
/usr/share/man/man1/python3.5-dbg.1.gz