Detected blocking call to open

[filmackay]

Running on HA 2014.10.3 I get the following report, that I was asked to log :)

2024-10-23 07:29:14.407 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open with args ('/usr/local/lib/python3.12/site-packages/ocpp/v16/schemas/GetConfiguration.json', 'r') inside the event loop by custom integration 'ocpp' at custom_components/ocpp/api.py, line 599: resp = await self.call(req) (offender: /usr/local/lib/python3.12/site-packages/ocpp/messages.py, line 164: with open(path, "r", encoding="utf-8-sig") as f:), please create a bug report at https://github.com/lbbrhzn/ocpp/issues
For developers, please see https://developers.home-assistant.io/docs/asyncio_blocking_operations/#open
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 189, in run
    return loop.run_until_complete(setup_and_run_hass(runtime_config))
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 674, in run_until_complete
    self.run_forever()
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 641, in run_forever
    self._run_once()
  File "/usr/local/lib/python3.12/asyncio/base_events.py", line 1990, 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 "/config/custom_components/ocpp/api.py", line 465, in post_connect
    await self.get_supported_features()
  File "/config/custom_components/ocpp/api.py", line 599, in get_supported_features
    resp = await self.call(req)

[scauwe]

I get the same error when rebooting Home Assistant (
After this, the plugin just seems to connect.

2024-12-14 00:32:28.702 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open with args ('/usr/local/lib/python3.12/site-packages/ocpp/v16/schemas/GetConfiguration.json', 'r') inside the event loop by custom integration 'ocpp' at custom_components/ocpp/ocppv16.py, line 212: resp = await self.call(req) (offender: /usr/local/lib/python3.12/site-packages/ocpp/messages.py, line 164: with open(path, "r", encoding="utf-8-sig") as f:), please create a bug report at https://github.com/lbbrhzn/ocpp/issues
For developers, please see https://developers.home-assistant.io/docs/asyncio_blocking_operations/#open
Traceback (most recent call last):
File "", line 198, in _run_module_as_main
File "", line 88, in _run_code
File "/usr/src/homeassistant/homeassistant/main.py", line 223, in
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 189, in run
return loop.run_until_complete(setup_and_run_hass(runtime_config))
File "/usr/local/lib/python3.12/asyncio/base_events.py", line 674, in run_until_complete
self.run_forever()
File "/usr/local/lib/python3.12/asyncio/base_events.py", line 641, in run_forever
self._run_once()
File "/usr/local/lib/python3.12/asyncio/base_events.py", line 1990, 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 "/config/custom_components/ocpp/chargepoint.py", line 332, in post_connect
await self.fetch_supported_features()
File "/config/custom_components/ocpp/chargepoint.py", line 266, in fetch_supported_features
self._attr_supported_features = await self.get_supported_features()
File "/config/custom_components/ocpp/ocppv16.py", line 212, in get_supported_features
resp = await self.call(req)

Versions:
Core: 2024.11.3
Supervisor: 2024.11.4
Operating System: 13.2
Frontend: 20241106.2
OCPP: v0.6.1