NameError: name 'ATTR_' is not defined

[domo86]

System Health details

Méthode d'installation
Home Assistant OS
Core
2025.9.1
Supervisor
2025.09.0
Operating System
16.2
Interface utilisateur
20250903.3

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

With the latest update of Homeassistant, I see in the log every 30 seconds this part: ( Version of average : 2.4.0 )

NameError: name 'ATTR_' is not defined
2025-09-10 20:04:40.976 ERROR (MainThread) [homeassistant.helpers.entity] Update for sensor.puissance_moyenne fails
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 963, in async_update_ha_state
await self.async_device_update()
File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1314, in async_device_update
await self.async_update()
File "/config/custom_components/average/sensor.py", line 310, in async_update
await self._async_update_state()
File "/config/custom_components/average/sensor.py", line 477, in _async_update_state
self.init_mode(state)
~~~~~~~~~~~~~~~^^^^^^^
File "/config/custom_components/average/sensor.py", line 407, in init_mode
ATTR )
^^^^^
NameError: name 'ATTR' is not defined

Reproduction steps

Read logs

Debug logs

NameError: name 'ATTR_' is not defined
2025-09-10 20:04:40.976 ERROR (MainThread) [homeassistant.helpers.entity] Update for sensor.puissance_moyenne fails
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 963, in async_update_ha_state
    await self.async_device_update()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 1314, in async_device_update
    await self.async_update()
  File "/config/custom_components/average/sensor.py", line 310, in async_update
    await self._async_update_state()
  File "/config/custom_components/average/sensor.py", line 477, in _async_update_state
    self._init_mode(state)
    ~~~~~~~~~~~~~~~^^^^^^^
  File "/config/custom_components/average/sensor.py", line 407, in _init_mode
    ATTR_        )
    ^^^^^

Diagnostics dump

No response