/usr/lib/python2.7/dist-packages/watcher/applier/ is in python-watcher 1:1.8.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/watcher/applier/__init__.py
/usr/lib/python2.7/dist-packages/watcher/applier/action_plan/
/usr/lib/python2.7/dist-packages/watcher/applier/action_plan/__init__.py
/usr/lib/python2.7/dist-packages/watcher/applier/action_plan/base.py
/usr/lib/python2.7/dist-packages/watcher/applier/action_plan/default.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/
/usr/lib/python2.7/dist-packages/watcher/applier/actions/__init__.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/base.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/change_node_power_state.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/change_nova_service_state.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/factory.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/migration.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/nop.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/resize.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/sleep.py
/usr/lib/python2.7/dist-packages/watcher/applier/actions/volume_migration.py
/usr/lib/python2.7/dist-packages/watcher/applier/base.py
/usr/lib/python2.7/dist-packages/watcher/applier/default.py
/usr/lib/python2.7/dist-packages/watcher/applier/loading/
/usr/lib/python2.7/dist-packages/watcher/applier/loading/__init__.py
/usr/lib/python2.7/dist-packages/watcher/applier/loading/default.py
/usr/lib/python2.7/dist-packages/watcher/applier/manager.py
/usr/lib/python2.7/dist-packages/watcher/applier/messaging/
/usr/lib/python2.7/dist-packages/watcher/applier/messaging/__init__.py
/usr/lib/python2.7/dist-packages/watcher/applier/messaging/trigger.py
/usr/lib/python2.7/dist-packages/watcher/applier/rpcapi.py
/usr/lib/python2.7/dist-packages/watcher/applier/sync.py
/usr/lib/python2.7/dist-packages/watcher/applier/workflow_engine/
/usr/lib/python2.7/dist-packages/watcher/applier/workflow_engine/__init__.py
/usr/lib/python2.7/dist-packages/watcher/applier/workflow_engine/base.py
/usr/lib/python2.7/dist-packages/watcher/applier/workflow_engine/default.py