Merge PR #1181 into 12.0

Signed-off-by StefanRijnhart

account_asset_management/wizard/account_asset_compute.py

@@ -16,9 +16,14 @@ class AccountAssetCompute(models.TransientModel):
     note = fields.Text()
 
     @api.multi
-    def asset_compute(self):
-        assets = self.env['account.asset'].search(
+    def _get_asset_to_compute(self):
+        self.ensure_one()
+        return self.env['account.asset'].search(
             [('state', '=', 'open')])
+
+    @api.multi
+    def asset_compute(self):
+        assets = self._get_asset_to_compute()
         created_move_ids, error_log = assets._compute_entries(
             self.date_end, check_triggers=True)