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- Task: https://www.odoo.com/web#id=8078&view_type=form&model=project.task&action=333&active_id=131
- Pad: https://pad.odoo.com/p/r.gXr0REOGuwo0DBhD
Well... you are overriding a method that simply returns nothing... with another method that returns nothing. It seems perfectly useless.