/usr/lib/python2.7/dist-packages/opcua/common/ is in python-opcua 0.90.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python2.7/dist-packages/opcua/common/__init__.py
/usr/lib/python2.7/dist-packages/opcua/common/callback.py
/usr/lib/python2.7/dist-packages/opcua/common/copy_node.py
/usr/lib/python2.7/dist-packages/opcua/common/event_objects.py
/usr/lib/python2.7/dist-packages/opcua/common/events.py
/usr/lib/python2.7/dist-packages/opcua/common/instantiate.py
/usr/lib/python2.7/dist-packages/opcua/common/manage_nodes.py
/usr/lib/python2.7/dist-packages/opcua/common/methods.py
/usr/lib/python2.7/dist-packages/opcua/common/node.py
/usr/lib/python2.7/dist-packages/opcua/common/shortcuts.py
/usr/lib/python2.7/dist-packages/opcua/common/structures_generator.py
/usr/lib/python2.7/dist-packages/opcua/common/subscription.py
/usr/lib/python2.7/dist-packages/opcua/common/ua_utils.py
/usr/lib/python2.7/dist-packages/opcua/common/utils.py
/usr/lib/python2.7/dist-packages/opcua/common/xmlexporter.py
/usr/lib/python2.7/dist-packages/opcua/common/xmlimporter.py
/usr/lib/python2.7/dist-packages/opcua/common/xmlparser.py