/usr/share/pyshared/brian/connections/ is in python-brian 1.3.1-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/brian/connections/__init__.py
/usr/share/pyshared/brian/connections/base.py
/usr/share/pyshared/brian/connections/connection.py
/usr/share/pyshared/brian/connections/connectionmatrix.py
/usr/share/pyshared/brian/connections/connectionvector.py
/usr/share/pyshared/brian/connections/construction.py
/usr/share/pyshared/brian/connections/constructionmatrix.py
/usr/share/pyshared/brian/connections/delayconnection.py
/usr/share/pyshared/brian/connections/otherconnections.py
/usr/share/pyshared/brian/connections/propagation_c_code.py
/usr/share/pyshared/brian/connections/sparsematrix.py