/usr/share/man/man1/x86_64-linux-gnu-python2.7-dbg-config.1.gz is in libpython2.7-dbg 2.7.6-8ubuntu0.5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/x86_64-linux-gnu-python2.7-config.1.gz