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W0223 (abstract-method) warning in pylint-odoo

Hello, everyone.

When I check any Odoo module using pylint-odoo, I always get the warning “W0223: Method ‘onchange’ is abstract in class ‘BaseModel’ but is not overridden in child class ‘...’ (abstract-method)” for any class.

Please advise if this is a false warning. If not, what is the reason for it?

Also, please tell me if there are any recommended .pylintrc settings for high-quality Odoo development.

Thank you!

by Serhii Miroshnychenko - 09:41 - 31 Jan 2026

Follow-Ups

  • Re: W0223 (abstract-method) warning in pylint-odooHi 
    Hi,

I'm not quite sure if this one should be ignored for Odoo or not, but 
for examples of Pylint configurations you can look at the OCA CI template:

https://github.com/OCA/oca-addons-repo-template/blob/master/version-specific/mqt-compat/.pylintrc-mandatory.jinja

Or how it works out in actual repositories:

https://github.com/OCA/server-tools/blob/18.0/.pylintrc-mandatory

-Tom


On 1/31/26 9:42 AM, Serhii Miroshnychenko wrote:

>

> Hello, everyone.

>

> When I check any Odoo module using pylint-odoo, I always get the 

> warning “W0223: Method ‘onchange’ is abstract in class ‘BaseModel’ but 

> is not overridden in child class ‘...’ (abstract-method)” for any class.

>

> Please advise if this is a false warning. If not, what is the reason 

> for it?

>

> Also, please tell me if there are any recommended .pylintrc settings 

> for high-quality Odoo development.

>

> Thank you!

>

> _______________________________________________

> Mailing-List: https://odoo-community.org/groups/contributors-15

> Post to: mailto:contributors@odoo-community.org

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>
    by Tom Blauwendraat - 10:41 - 31 Jan 2026