/usr/share/doc/python-sqlalchemy/rst is in python-sqlalchemy-doc 1.1.11+ds1-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/python-sqlalchemy/../python-sqlalchemy-doc/rst
/usr/share/doc/python-sqlalchemy/../python-sqlalchemy-doc/rst