[9.0] project.project which inherit from account.analytic.account lose parent_id

[victormmtorres]

Odoo V8 has on account.analytic.account
'parent_id': fields.many2one('account.analytic.account', 'Parent Analytic Account', select=2),
Since V9 this feature disappear.

Module Project

parent_id = fields.Many2one('account.analytic.account', 'Parent Project')

Could be interesting have again this parent relation?

I have seen one explanation about the reason of this change:

• Using parent accounts (for financial accounts also) was removed in v9 because it mixes two concepts: (a) data and (b) how you want to consolidate/report the data. Odoo now uses TAGS to manage the concept of (b) instead of parent_id.

• Analytic Accounting reports that use these tags, which are more flexible and functional than parent_id's

[victormmtorres]

@elicoidal Please have a check

[github-actions]

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