/usr/share/pyshared/brian/library/ is in python-brian 1.4.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/brian/library/IF.py
/usr/share/pyshared/brian/library/__init__.py
/usr/share/pyshared/brian/library/electrophysiology/
/usr/share/pyshared/brian/library/electrophysiology/__init__.py
/usr/share/pyshared/brian/library/electrophysiology/electrode_compensation.py
/usr/share/pyshared/brian/library/electrophysiology/electrophysiology_models.py
/usr/share/pyshared/brian/library/electrophysiology/lp_electrodecompensation.py
/usr/share/pyshared/brian/library/electrophysiology/trace_analysis.py
/usr/share/pyshared/brian/library/ionic_currents.py
/usr/share/pyshared/brian/library/modelfitting/
/usr/share/pyshared/brian/library/modelfitting/__init__.py
/usr/share/pyshared/brian/library/modelfitting/gpu_modelfitting.py
/usr/share/pyshared/brian/library/modelfitting/gputools.py
/usr/share/pyshared/brian/library/modelfitting/modelfitting.py
/usr/share/pyshared/brian/library/random_processes.py
/usr/share/pyshared/brian/library/synapses.py