Detected blocking call to open with args

After updating Home Assistant Core 2024.06.0 i receive this error message.
Can anyone help me with this please?

Detected blocking call to open with args (‘/usr/local/lib/python3.12/site-packages/pytz/zoneinfo/Universal’, ‘rb’) in /usr/local/lib/python3.12/site-packages/pytz/, line 108: return open(filename, ‘rb’) inside the event loop Traceback (most recent call last): File “”, line 198, in _run_module_as_main File “”, line 88, in _run_code File “/usr/src/homeassistant/homeassistant/”, line 223, in sys.exit(main()) File “/usr/src/homeassistant/homeassistant/”, line 209, in main exit_code = File “/usr/src/homeassistant/homeassistant/”, line 190, in run return loop.run_until_complete(setup_and_run_hass(runtime_config)) File “/usr/local/lib/python3.12/asyncio/”, line 672, in run_until_complete self.run_forever() File “/usr/local/lib/python3.12/asyncio/”, line 639, in run_forever self._run_once() File “/usr/local/lib/python3.12/asyncio/”, line 1988, in _run_once handle._run() File “/usr/local/lib/python3.12/asyncio/”, line 88, in _run, *self._args) File “/usr/local/lib/python3.12/site-packages/serial_asyncio/”, line 120, in _read_ready self._protocol.data_received(data) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/clients/”, line 133, in data_received self.handle_telegram(telegram) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/clients/”, line 159, in handle_telegram parsed_telegram = self.telegram_parser.parse(telegram) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/”, line 95, in parse dsmr_object = object[“value_parser”].parse(match) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/”, line 311, in parse values=self._parse(line) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/”, line 219, in _parse return self._parse_values(values) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/”, line 190, in _parse_values return [self.value_formats[i].parse(value) File “/usr/local/lib/python3.12/site-packages/dsmr_parser/”, line 399, in parse value = self.coerce_type(value) if value is not None else value File “/usr/local/lib/python3.12/site-packages/dsmr_parser/”, line 24, in timestamp local_tz = pytz.timezone(‘Europe/Amsterdam’) File “/usr/local/lib/python3.12/site-packages/pytz/”, line 181, in timezone if zone in all_timezones_set: # noqa File “/usr/local/lib/python3.12/site-packages/pytz/”, line 154, in _lazy for i in fill_iter.pop(): File “/usr/local/lib/python3.12/site-packages/pytz/”, line 101, in _lazy list.extend(self, fill_iter.pop()) File “/usr/local/lib/python3.12/site-packages/pytz/”, line 1115, in tz for tz in _all_timezones_unchecked if resource_exists(tz)) File “/usr/local/lib/python3.12/site-packages/pytz/”, line 121, in resource_exists open_resource(name).close() File “/usr/local/lib/python3.12/site-packages/pytz/”, line 108, in open_resource return open(filename, ‘rb’)

Welcome to the community! Please check out this thread (#11) to format your code properly. It helps expedite resolutions…

I was asking for help I think

I’d suggest a Pull Request.

I have no idea to solve that. I restored my backup 2024.05. Thx

dsmr_parser known issue Detected blocking call to dsmr_parser · Issue #118919 · home-assistant/core · GitHub