Detected blocking call to import_module inside the event loop by integration 'insteon'

[elupus]

Copied from home assistant issue https://github.com/home-assistant/core/issues/118985, needs fixing in library.

2024-06-06 06:44:46.628 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to import_module inside the event loop by integration 'insteon' at homeassistant/components/insteon/__init__.py, line 97: await async_connect(**entry.data) (offender: /usr/local/lib/python3.12/site-packages/serial/__init__.py, line 75: handler_module = importlib.import_module(module_name, package_name)), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+insteon%22
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/usr/src/homeassistant/homeassistant/__main__.py", line 223, in <module>
    sys.exit(main())
  File "/usr/src/homeassistant/homeassistant/__main__.py", line 209, in main
    exit_code = runner.run(runtime_conf)
  File "/usr/src/homeassistant/homeassistant/runner.py", line 190, in run
    return loop.run_until_complete(setup_and_run_hass(runtime_config))
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 672, in run_until_complete
    self.run_forever()
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 639, in run_forever
    self._run_once()
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 1988, in _run_once
    handle._run()
  File "/usr/local/lib/python3.12/asyncio/events.py", line 88, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/src/homeassistant/homeassistant/config_entries.py", line 742, in async_setup_locked
    await self.async_setup(hass, integration=integration)
  File "/usr/src/homeassistant/homeassistant/config_entries.py", line 594, in async_setup
    result = await component.async_setup_entry(hass, self)
  File "/usr/src/homeassistant/homeassistant/components/insteon/__init__.py", line 97, in async_setup_entry
    await async_connect(**entry.data)

[elupus]

Suggest you switch to https://github.com/home-assistant-libs/pyserial-asyncio-fast which resolves this issue.