/usr/lib/python2.7/dist-packages/snowballstemmer/ is in python-snowballstemmer 1.2.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/snowballstemmer/__init__.py
/usr/lib/python2.7/dist-packages/snowballstemmer/among.py
/usr/lib/python2.7/dist-packages/snowballstemmer/basestemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/danish_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/dutch_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/english_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/finnish_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/french_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/german_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/hungarian_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/italian_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/norwegian_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/porter_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/portuguese_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/romanian_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/russian_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/spanish_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/swedish_stemmer.py
/usr/lib/python2.7/dist-packages/snowballstemmer/turkish_stemmer.py