Detected blocking call to open inside the event loop - MQTT

[Anto79-ops]

The problem

Hello, received these logs when updating to 2024.6.0b0

2024-05-29 12:47:42.788 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open inside the event loop by integration 'mqtt' at homeassistant/components/mqtt/client.py, line 280: import paho.mqtt.client as mqtt # pylint: disable=import-outside-toplevel (offender: /usr/local/lib/python3.12/ctypes/util.py, line 276: with open(filepath, 'rb') as fh:), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+mqtt%22
2024-05-29 12:47:42.796 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open inside the event loop by integration 'mqtt' at homeassistant/components/mqtt/client.py, line 280: import paho.mqtt.client as mqtt # pylint: disable=import-outside-toplevel (offender: /usr/local/lib/python3.12/ctypes/util.py, line 276: with open(filepath, 'rb') as fh:), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+mqtt%22
2024-05-29 12:47:42.818 WARNING (MainThread) [homeassistant.util.loop] Detected blocking call to open inside the event loop by integration 'mqtt' at homeassistant/components/mqtt/client.py, line 280: import paho.mqtt.client as mqtt # pylint: disable=import-outside-toplevel (offender: /usr/local/lib/python3.12/ctypes/util.py, line 276: with open(filepath, 'rb') as fh:), please create a bug report at https://github.com/home-assistant/core/issues?q=is%3Aopen+is%3Aissue+label%3A%22integration%3A+mqtt%22

thanks

What version of Home Assistant Core has the issue?

2024.6.0b0

What was the last working version of Home Assistant Core?

2024.5.x

What type of installation are you running?

Home Assistant OS

Integration causing the issue

MQTT

Link to integration documentation on our website

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

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response

[home-assistant]

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

Code owner commands

Code owners of mqtt can trigger bot actions by commenting:

• @home-assistant close Closes the issue.
• @home-assistant rename Awesome new title Renames the issue.
• @home-assistant reopen Reopen the issue.
• @home-assistant unassign mqtt Removes the current integration label and assignees on the issue, add the integration domain after the command.
• @home-assistant add-label needs-more-information Add a label (needs-more-information, problem in dependency, problem in custom component) to the issue.
• @home-assistant remove-label needs-more-information Remove a label (needs-more-information, problem in dependency, problem in custom component) on the issue.

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mqtt documentation
mqtt source
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[bdraco]

I'll fix this one