async_add_external_statistics is missing `unit_class`

[GuyKh]

System Health details

2026-02-08 21:30:02.426 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'iec' doesn't specify unit_class when calling async_add_external_statistics at custom_components/iec/coordinator.py, line 1083: async_add_external_statistics(. This will stop working in Home Assistant 2026.11, please create a bug report at https://github.com/guykh/iec-custom-component/issues
2026-02-08 21:30:02.441 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'iec' doesn't specify unit_class when calling async_add_external_statistics at custom_components/iec/coordinator.py, line 1087: async_add_external_statistics(self.hass, cost_metadata, cost_statistics). This will stop working in Home Assistant 2026.11, please create a bug report at https://github.com/guykh/iec-custom-component/issues

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 any previous issues..

Describe the issue

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Reproduction steps

2026-02-08 21:30:02.426 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'iec' doesn't specify unit_class when calling async_add_external_statistics at custom_components/iec/coordinator.py, line 1083: async_add_external_statistics(. This will stop working in Home Assistant 2026.11, please create a bug report at https://github.com/guykh/iec-custom-component/issues
2026-02-08 21:30:02.441 WARNING (MainThread) [homeassistant.helpers.frame] Detected that custom integration 'iec' doesn't specify unit_class when calling async_add_external_statistics at custom_components/iec/coordinator.py, line 1087: async_add_external_statistics(self.hass, cost_metadata, cost_statistics). This will stop working in Home Assistant 2026.11, please create a bug report at https://github.com/guykh/iec-custom-component/issues

Debug logs

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Diagnostics dump

No response

[johnben345]

@GuyKh hey, is there an ETA on this? 🙂

[GuyKh]

It shouldn't be hard, what I'm concerned is that will break backward compatibility. Need to read more how much time do I have