res_config_settings.py

# Copyright 2019 Le Filament (<http://www.le-filament.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import models, fields, api


class ResConfigSettings(models.TransientModel):
    _inherit = 'res.config.settings'

    taux_horaire = fields.Integer(
        'Taux horaire',
        related='company_id.taux_horaire',
        readonly=False)