/usr/share/doc/pyro4/examples/warehouse/ is in pyro4-examples 4.23-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/pyro4/examples/warehouse/Readme.txt
/usr/share/doc/pyro4/examples/warehouse/phase1/
/usr/share/doc/pyro4/examples/warehouse/phase1/person.py
/usr/share/doc/pyro4/examples/warehouse/phase1/visit.py
/usr/share/doc/pyro4/examples/warehouse/phase1/warehouse.py
/usr/share/doc/pyro4/examples/warehouse/phase2/
/usr/share/doc/pyro4/examples/warehouse/phase2/person.py
/usr/share/doc/pyro4/examples/warehouse/phase2/visit.py
/usr/share/doc/pyro4/examples/warehouse/phase2/warehouse.py
/usr/share/doc/pyro4/examples/warehouse/phase3/
/usr/share/doc/pyro4/examples/warehouse/phase3/person.py
/usr/share/doc/pyro4/examples/warehouse/phase3/visit.py
/usr/share/doc/pyro4/examples/warehouse/phase3/warehouse.py