ERROR Config flow could not be loaded: {"message":"Invalid handler specified"}

[mikexilva]

After adding the repo and restarting, when I try to add the uHoo integration (it was supposed to ask for my credentials, but instead) I get the following error message:

ERROR
Config flow could not be loaded: {"message":"Invalid handler specified"}

and in the logs I also get the following ERROR:

Logger: homeassistant.config_entries
Source: config_entries.py:3788
First occurred: 00:59:22 (4 occurrences)
Last logged: 01:59:48

Error occurred loading flow for integration uhoo: cannot import name 'DEVICE_CLASS_CO' from 'homeassistant.const' (/usr/src/homeassistant/homeassistant/const.py)

and also this WARNING:

Logger: homeassistant.core
Source: helpers/deprecation.py:222
First occurred: 00:59:22 (8 occurrences)
Last logged: 01:59:48

Config was used from uhoo, this is a deprecated alias which will be removed in HA Core 2025.11. Use homeassistant.core_config.Config instead, please report it to the author of the 'uhoo' custom integration
Config was used from uhoo, this is a deprecated alias which will be removed in HA Core 2025.11. Use homeassistant.core_config.Config instead, please create a bug report at https://github.com/csacca/uhoo-homeassistant/issues

I'm using the latest HAOS available at the moment running on an x86 miniPC:
Core 2025.3.3
Supervisor 2025.03.3
Operating System 14.2

and trying to add this latest uhoo-homeassistant 0.0.4

Can anybody help?
PS: I'm new to HA maybe I'm missing something basic stuff (if that's the case, sorry in advance)..

BTW just updated OS to 15.0 today and the issue didn't change, and gives the same message.

Regards,
Miguel

[erikreed]

I ran into same issue. I tried out this fork which is working fine for me so far: https://github.com/andrewleech/uhoo-homeassistant

[mikexilva]

I ran into same issue. I tried out this fork which is working fine for me so far: https://github.com/andrewleech/uhoo-homeassistant

Thank you very much Erik, I didn't find it on my google searches before. And it worked nicely. Finally I have my 9 uhoo sensors showing on Home Assistant side by side the other air quality sensors !!
BTW1: My uHoo TVOC sensor started to behave funny a few months ago and shows absurd high values (>5000) most of the time, don't know if its common with others too.
BTW2: I also have a few PV-28CW sensors (Tuya compatible from AliExpress with different firmwares so some do real locally but some need tuya cloud) that I'm not sure about all sensors are accurate (cant compare TVOC) but at least CO2 and PM2.5 seems to be reading nicely.