Detected blocking call to load_default_certs ...

[bouwew]

The problem

Error in HA Logbook

What version of Home Assistant Core has the issue?

core-2024.12.5

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Supervised

Integration causing the issue

Harmony

Link to integration documentation on our website

https://www.home-assistant.io/integrations/harmony/

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

Logger: homeassistant.util.loop
Source: util/loop.py:136
First occurred: 11:15:49 (1 occurrences)
Last logged: 11:15:49

Detected blocking call to load_default_certs with args (<ssl.SSLContext object at 0x7f08ae49aba0>, <Purpose.SERVER_AUTH: _ASN1Object(nid=129, shortname='serverAuth', longname='TLS Web Server Authentication', oid='1.3.6.1.5.5.7.3.1')>) inside the event loop by integration 'harmony' at homeassistant/components/harmony/data.py, line 118: connected = await self._client.connect() (offender: /usr/local/lib/python3.13/ssl.py, line 722: context.load_default_certs(purpose)), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+harmony%22 For developers, please see https://developers.home-assistant.io/docs/asyncio_blocking_operations/#load_default_certs 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 227, in <module> sys.exit(main()) File "/usr/src/homeassistant/homeassistant/__main__.py", line 213, in main exit_code = runner.run(runtime_conf) File "/usr/src/homeassistant/homeassistant/runner.py", line 154, in run return loop.run_until_complete(setup_and_run_hass(runtime_config)) File "/usr/local/lib/python3.13/asyncio/base_events.py", line 708, in run_until_complete self.run_forever() File "/usr/local/lib/python3.13/asyncio/base_events.py", line 679, in run_forever self._run_once() File "/usr/local/lib/python3.13/asyncio/base_events.py", line 2027, in _run_once handle._run() File "/usr/local/lib/python3.13/asyncio/events.py", line 89, in _run self._context.run(self._callback, *self._args) File "/usr/src/homeassistant/homeassistant/config_entries.py", line 788, in async_setup_locked await self.async_setup(hass, integration=integration) File "/usr/src/homeassistant/homeassistant/config_entries.py", line 551, in async_setup await self.__async_setup_with_context(hass, integration) File "/usr/src/homeassistant/homeassistant/config_entries.py", line 640, in __async_setup_with_context result = await component.async_setup_entry(hass, self) File "/usr/src/homeassistant/homeassistant/components/harmony/__init__.py", line 28, in async_setup_entry await data.connect() File "/usr/src/homeassistant/homeassistant/components/harmony/data.py", line 118, in connect connected = await self._client.connect()

### Additional information

_No response_

[home-assistant]

Hey there @ehendrix23, @bdraco, @mkeesey, @Aohzan, mind taking a look at this issue as it has been labeled with an integration (harmony) you are listed as a code owner for? Thanks!

Code owner commands

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• @home-assistant close Closes the issue.
• @home-assistant rename Awesome new title Renames the issue.
• @home-assistant reopen Reopen the issue.
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[redlefloh]

Just confirming this new behavior in core-2025.1.0:

2025-01-04 10:46:40.806 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to load_default_certs with args (<ssl.SSLContext object at 0x7fff7747f770>, <Purpose.SERVER_AUTH: _ASN1Object(nid=129, shortname='serverAuth', longname='TLS Web Server Authentication', oid='1.3.6.1.5.5.7.3.1')>) inside the event loop by integration 'harmony' at homeassistant/components/harmony/data.py, line 118: connected = await self._client.connect() (offender: /usr/local/lib/python3.13/ssl.py, line 722: context.load_default_certs(purpose)), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+harmony%22 For developers, please see https://developers.home-assistant.io/docs/asyncio_blocking_operations/#load_default_certs 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 227, in <module> sys.exit(main()) File "/usr/src/homeassistant/homeassistant/__main__.py", line 213, in main exit_code = runner.run(runtime_conf) File "/usr/src/homeassistant/homeassistant/runner.py", line 154, in run return loop.run_until_complete(setup_and_run_hass(runtime_config)) File "/usr/local/lib/python3.13/asyncio/base_events.py", line 707, in run_until_complete self.run_forever() File "/usr/local/lib/python3.13/asyncio/base_events.py", line 678, in run_forever self._run_once() File "/usr/local/lib/python3.13/asyncio/base_events.py", line 2033, in _run_once handle._run() File "/usr/local/lib/python3.13/asyncio/events.py", line 89, in _run self._context.run(self._callback, *self._args) File "/usr/src/homeassistant/homeassistant/config_entries.py", line 788, in async_setup_locked await self.async_setup(hass, integration=integration) File "/usr/src/homeassistant/homeassistant/config_entries.py", line 551, in async_setup await self.__async_setup_with_context(hass, integration) File "/usr/src/homeassistant/homeassistant/config_entries.py", line 640, in __async_setup_with_context result = await component.async_setup_entry(hass, self) File "/usr/src/homeassistant/homeassistant/components/harmony/__init__.py", line 28, in async_setup_entry await data.connect() File "/usr/src/homeassistant/homeassistant/components/harmony/data.py", line 118, in connect connected = await self._client.connect()