/usr/lib/python2.7/dist-packages/pyNN/descriptions/ is in python-pynn 0.7.4-1.1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/pyNN/descriptions/__init__.py
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/assembly_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/modeltype_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/population_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/population_old.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/populationview_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/projection_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/cheetah/synapsedynamics_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/assembly_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/modeltype_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/population_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/population_old.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/populationview_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/projection_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/jinja2/synapsedynamics_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/assembly_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/modeltype_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/population_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/populationview_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/projection_default.txt
/usr/lib/python2.7/dist-packages/pyNN/descriptions/templates/string/synapsedynamics_default.txt