Detected blocking call to open inside the event loop by custom integration e3dc_rscp

[Matthias1111]

System Health details

System Information

version	core-2024.6.2
installation_type	Home Assistant OS
dev	false
hassio	true
docker	true
user	root
virtualenv	false
python_version	3.12.2
os_name	Linux
os_version	6.6.28-haos-raspi
arch	aarch64
timezone	Europe/Berlin
config_dir	/config

Home Assistant Community Store

GitHub API | ok -- | -- GitHub Content | ok GitHub Web | ok GitHub API Calls Remaining | 5000 Installed Version | 1.34.0 Stage | running Available Repositories | 1386 Downloaded Repositories | 4

Home Assistant Cloud

logged_in | false -- | -- can_reach_cert_server | ok can_reach_cloud_auth | ok can_reach_cloud | ok

Home Assistant Supervisor

host_os | Home Assistant OS 12.3 -- | -- update_channel | stable supervisor_version | supervisor-2024.06.0 agent_version | 1.6.0 docker_version | 25.0.5 disk_total | 28.0 GB disk_used | 11.0 GB healthy | true supported | true host_connectivity | true supervisor_connectivity | true ntp_synchronized | true virtualization | board | yellow supervisor_api | ok version_api | ok installed_addons | Studio Code Server (5.15.0), Samba share (12.3.1), Network UPS Tools (0.13.0), Advanced SSH & Web Terminal (18.0.0), OpenThread Border Router (2.6.0), Matter Server (6.1.2)

Dashboards

dashboards | 6 -- | -- resources | 2 views | 7 mode | storage

Recorder

oldest_recorder_run | 3. Juni 2024 um 07:20 -- | -- current_recorder_run | 13. Juni 2024 um 22:11 estimated_db_size | 282.27 MiB database_engine | sqlite database_version | 3.44.2

Checklist

• [X] I have enabled debug logging for my installation.
• [X] I have filled out the issue template to the best of my ability.
• [X] This issue only contains 1 issue (if you have multiple issues, open one issue for each issue).
• [X] This issue is not a duplicate issue of currently previous issues..

Describe the issue

Integration seems to work fine, but Home Assistant Log shows the following error (and asks to create a bug report):

06/13 22:11:45.033 192.168.0.1 local0.warning (MainThread) [homeassistant.util.loop] Detected blocking call to open inside the event loop by custom integration 'e3dc_rscp' at custom_components/e3dc_rscp/coordinator.py, line 267: tz_info: pytz.timezone = pytz.timezone(tz_name) (offender: /usr/local/lib/python3.12/site-packages/pytz/init.py, line 108: return open(filename, 'rb')), please create a bug report at https://github.com/torbennehmer/hacs-e3dc/issues 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 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 "/config/custom_components/e3dc_rscp/init.py", line 31, in async_setup_entry await coordinator.async_connect() File "/config/custom_components/e3dc_rscp/coordinator.py", line 80, in async_connect await self._load_timezone_settings() File "/config/custom_components/e3dc_rscp/coordinator.py", line 267, in _load_timezone_settings tz_info: pytz.timezone = pytz.timezone(tz_name)

Reproduction steps

1. Restarting HA reproduces the log entries mentioned above

Debug logs

2024-06-13 22:11:37.234 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open inside the event loop by custom integration 'e3dc_rscp' at custom_components/e3dc_rscp/coordinator.py, line 267: tz_info: pytz.timezone = pytz.timezone(tz_name) (offender: /usr/local/lib/python3.12/site-packages/pytz/__init__.py, line 108: return open(filename, 'rb')), please create a bug report at https://github.com/torbennehmer/hacs-e3dc/issues
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 "/config/custom_components/e3dc_rscp/__init__.py", line 31, in async_setup_entry
    await coordinator.async_connect()
  File "/config/custom_components/e3dc_rscp/coordinator.py", line 80, in async_connect
    await self._load_timezone_settings()
  File "/config/custom_components/e3dc_rscp/coordinator.py", line 267, in _load_timezone_settings
    tz_info: pytz.timezone = pytz.timezone(tz_name)

Diagnostics dump

No response

[da-anda]

I have the same errors in my log. My device is a S10E Blackline

[ubarni]

Same issue in my logs:

2024-07-15 11:43:20.919 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open with args ('/usr/local/lib/python3.12/site-packages/pytz/zoneinfo/Africa/Abidjan', 'rb') inside the event loop by custom integration 'e3dc_rscp' at custom_components/e3dc_rscp/coordinator.py, line 267: tz_info: pytz.timezone = pytz.timezone(tz_name) (offender: /usr/local/lib/python3.12/site-packages/pytz/__init__.py, line 108: return open(filename, 'rb')), please create a bug report at https://github.com/torbennehmer/hacs-e3dc/issues

[torbennehmer]

this will be fixed in the next release