/usr/lib/python2.7/dist-packages/astropy/config/ is in python-astropy 1.3-8.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/astropy/config/__init__.py
/usr/lib/python2.7/dist-packages/astropy/config/affiliated.py
/usr/lib/python2.7/dist-packages/astropy/config/configuration.py
/usr/lib/python2.7/dist-packages/astropy/config/paths.py
/usr/lib/python2.7/dist-packages/astropy/config/setup_package.py
/usr/lib/python2.7/dist-packages/astropy/config/tests/
/usr/lib/python2.7/dist-packages/astropy/config/tests/__init__.py
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/alias.cfg
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/astropy.0.3.cfg
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/astropy.0.3.windows.cfg
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/deprecated.cfg
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/empty.cfg
/usr/lib/python2.7/dist-packages/astropy/config/tests/data/not_empty.cfg
/usr/lib/python2.7/dist-packages/astropy/config/tests/test_configs.py