Proxy fields defaults with lambda to allow inheritance

rma_account/README.rst

@@ -44,6 +44,7 @@ Contributors
 * Aaron Henriquez <ahenriquez@eficent.com>
 * Lois Rilo <lois.rilo@eficent.com>
 * Bhavesh Odedra <bodedra@opensourceintegrators.com>
+* Akim Juillerat <akim.juillerat@camptocamp.com>
 
 Maintainer
 ----------

rma_account/models/rma_order_line.py

@@ -43,7 +43,7 @@ class RmaOrderLine(models.Model):
 
     invoice_address_id = fields.Many2one(
         'res.partner', string='Partner invoice address',
-        default=_default_invoice_address,
+        default=lambda self: self._default_invoice_address(),
         readonly=True, states={'draft': [('readonly', False)]},
         help="Invoice address for current rma order.",
     )

rma_account/wizards/rma_refund.py

@@ -63,7 +63,8 @@ class RmaRefund(models.TransientModel):
     )
     date = fields.Date(string='Accounting Date')
     description = fields.Char(
-        string='Reason', required=True, default=_get_reason,
+        string='Reason', required=True,
+        default=lambda self: self._get_reason(),
     )
     item_ids = fields.One2many(
         comodel_name='rma.refund.item',