/usr/lib/python2.7/dist-packages/preggy/assertions/ is in python-preggy 1.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/preggy/assertions/__init__.py
/usr/lib/python2.7/dist-packages/preggy/assertions/comparison.py
/usr/lib/python2.7/dist-packages/preggy/assertions/emptiness.py
/usr/lib/python2.7/dist-packages/preggy/assertions/equality.py
/usr/lib/python2.7/dist-packages/preggy/assertions/inclusion.py
/usr/lib/python2.7/dist-packages/preggy/assertions/length.py
/usr/lib/python2.7/dist-packages/preggy/assertions/like.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/
/usr/lib/python2.7/dist-packages/preggy/assertions/types/__init__.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/boolean.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/classes.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/errors.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/file.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/function.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/nullable.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/numeric.py
/usr/lib/python2.7/dist-packages/preggy/assertions/types/regexp.py