Starting with 2024.6 - Detected blocking call to open inside the event loop

[Snuffy2]

System Health details

System Information

version	core-2024.6.1
installation_type	Home Assistant Supervised
dev	false
hassio	true
docker	true
user	root
virtualenv	false
python_version	3.12.2
os_name	Linux
os_version	6.6.31-v8+
arch	aarch64
timezone	America/New_York
config_dir	/config

Home Assistant Community Store

GitHub API	ok
GitHub Content	ok
GitHub Web	ok
GitHub API Calls Remaining	4991
Installed Version	1.34.0
Stage	running
Available Repositories	1473
Downloaded Repositories	73
HACS Data	ok

Home Assistant Cloud

logged_in	true
subscription_expiration	February 3, 2025 at 7:00 PM
relayer_connected	true
relayer_region	us-east-1
remote_enabled	true
remote_connected	true
alexa_enabled	true
google_enabled	false
remote_server	us-east-1-1.ui.nabu.casa
certificate_status	ready
instance_id	94420c6a75f748f194d19c29af975a5f
can_reach_cert_server	ok
can_reach_cloud_auth	ok
can_reach_cloud	ok

Home Assistant Supervisor

host_os	Debian GNU/Linux 12 (bookworm)
update_channel	stable
supervisor_version	supervisor-2024.06.0
agent_version	1.6.0
docker_version	26.1.4
disk_total	219.6 GB
disk_used	75.8 GB
healthy	true
supported	true
host_connectivity	true
supervisor_connectivity	true
ntp_synchronized	true
virtualization
supervisor_api	ok
version_api	ok
installed_addons	File editor (5.8.0), Mosquitto broker (6.4.1), Z-Wave JS UI (3.7.1), Victoria Metrics (1.9.1), Samba Backup (5.2.0), Grafana (10.0.0), eufy-security-ws (1.8.0-2), ESPHome (2024.5.5), Zigbee2MQTT (1.38.0-1), PS5 MQTT (1.3.3), go2rtc (1.9.3), Matter Server (6.1.0), Tesla HTTP Proxy (2.2.7), Govee to MQTT Bridge (2024.04.29-30cf7732)

keymaster

zwave_integration	zwave_js
network_status	off

Dashboards

dashboards	5
resources	35
views	23
mode	storage

Recorder

oldest_recorder_run	May 28, 2024 at 3:56 PM
current_recorder_run	June 7, 2024 at 6:20 PM
estimated_db_size	2308.46 MiB
database_engine	sqlite
database_version	3.44.2

Checklist

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

Describe the issue

This is appearing in the logs multiple times.

Reproduction steps

Upgrade to 2024.6

Debug logs

2024-06-07 18:18:54.692 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open inside the event loop by custom integration 'spoolman' at custom_components/spoolman/sensor.py, line 226: image.save(image_path) (offender: /usr/local/lib/python3.12/site-packages/PIL/Image.py, line 2456: fp = builtins.open(filename, "w+b")), please create a bug report at https://github.com/Disane87/spoolman-homeassistant/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/helpers/update_coordinator.py", line 255, in _handle_refresh_interval
    await self._async_refresh(log_failures=True, scheduled=True)
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 411, in _async_refresh
    self.async_update_listeners()
  File "/usr/src/homeassistant/homeassistant/helpers/update_coordinator.py", line 165, in async_update_listeners
    update_callback()
  File "/config/custom_components/spoolman/sensor.py", line 126, in _handle_coordinator_update
    self.async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1000, in async_write_ha_state
    self._async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1126, in _async_write_ha_state
    state, attr, capabilities, shadowed_attr = self.__async_calculate_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1084, in __async_calculate_state
    if (entity_picture := self.entity_picture) is not None:
  File "/config/custom_components/spoolman/sensor.py", line 209, in entity_picture
    return self.generate_entity_picture(color_hex)
  File "/config/custom_components/spoolman/sensor.py", line 226, in generate_entity_picture
    image.save(image_path)

### Diagnostics dump

_No response_

[Disane87]

🎉 This issue has been resolved in version 0.4.4-dev.1 🎉

The release is available on GitHub release

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[Disane87]

🎉 This issue has been resolved in version 0.5.0 🎉

The release is available on GitHub release

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