[MIG]rma_operating_unit to v10

rma_operating_unit/models/rma_order_line.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# © 2018 Eficent Business and IT Consulting Services S.L.
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, fields, models
+
+
+class RmaOrderLine(models.Model):
+
+    _inherit = "rma.order.line"
+
+    @api.model
+    def _default_operating_unit(self):
+        if self.rma_id.operating_unit_id:
+            return self.rma_id.operating_unit_id.id
+        return self.env.user.default_operating_unit_id
+
+    operating_unit_id = fields.Many2one(
+        comodel_name='operating.unit',
+        string='Operating Unit',
+        default=_default_operating_unit,
+    )