Update rent_payment.py

odex25_realstate/property_management/models/rent_payment.py

@@ -51,6 +51,12 @@ class RentPayment(models.Model):
     invoice_id = fields.Many2one('account.move', string="Invoice",readonly=1)
     note = fields.Text(string="Note")
 
+    def read(self, records):
+        res = super(RentPayment, self).read(records)
+        if self.invoice_id.payment_state in ['paid','in_payment']:
+            rec.write({'state': 'paid'})
+        return res
+
     @api.depends('invoice_id', 'invoice_id.state', 'invoice_id.amount_residual')
     def get_invoice_state(self):
         self.paid = False