Hi, I have display problem, on Many2one on Line.
When i have 
select equipment, i have a condition_out. This one is display in line 
but if i select another equipment the condition_out doesn't display 
execpt I reload reccord or save. What's the good methode to display my 
condition when i pick my equipment ? ( maybe to reload cahce butI can 
not to succeed)
@api.onchange('equipment_id')
    def onchange_condition_out(self):
            self.ensure_one()
            if self.equipment_id:
                    print(self.equipment_id.id)
                    datas = {}
         last_rental_line_id = self.search([
                                                             ('equipment_id', '=', self.equipment_id.id),
                                                              ('state', '=', 'done')],
                                                              order='id DESC', limit=1)
                    if last_rental_line_id:
                            datas = {
                                                'name' : last_rental_line_id[0].name,
                                                'rental_id' : self.rental_id.id,
                             'equipment_id' : last_rental_line_id[0].equipment_id.id,
                                                'description' : last_rental_line_id[0].condition_in.description,
                                            }
                    else:
                            datas = {
                                                'name' : self.equipment_id.name + "-" + (self.rental_id.name and self.rental_id.name or ""),
                                                'rental_id' : self.rental_id.id,
                                                'equipment_id' : self.equipment_id.id,
                                                'description' : "first location",
                             }
        if self.condition_out:
                self.condition_out.write(datas)
        else:
                 self.condition_out = self.env['rental.condition.out'].create(datas)
