/usr/lib/python3.7/asyncio/ is in libpython3.7-stdlib 3.7.0~b3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3.7/asyncio/__init__.py
/usr/lib/python3.7/asyncio/base_events.py
/usr/lib/python3.7/asyncio/base_futures.py
/usr/lib/python3.7/asyncio/base_subprocess.py
/usr/lib/python3.7/asyncio/base_tasks.py
/usr/lib/python3.7/asyncio/constants.py
/usr/lib/python3.7/asyncio/coroutines.py
/usr/lib/python3.7/asyncio/events.py
/usr/lib/python3.7/asyncio/format_helpers.py
/usr/lib/python3.7/asyncio/futures.py
/usr/lib/python3.7/asyncio/locks.py
/usr/lib/python3.7/asyncio/log.py
/usr/lib/python3.7/asyncio/proactor_events.py
/usr/lib/python3.7/asyncio/protocols.py
/usr/lib/python3.7/asyncio/queues.py
/usr/lib/python3.7/asyncio/runners.py
/usr/lib/python3.7/asyncio/selector_events.py
/usr/lib/python3.7/asyncio/sslproto.py
/usr/lib/python3.7/asyncio/streams.py
/usr/lib/python3.7/asyncio/subprocess.py
/usr/lib/python3.7/asyncio/tasks.py
/usr/lib/python3.7/asyncio/transports.py
/usr/lib/python3.7/asyncio/unix_events.py
/usr/lib/python3.7/asyncio/windows_events.py
/usr/lib/python3.7/asyncio/windows_utils.py