Accept Merge Request #2095: (feature/6694 -> develop)

Merge Request: 解决计算字段报错的问题

Created By: @胡尧
Accepted By: @胡尧
URL: https://jikimo-hn.coding.net/p/jikimo_sfs/d/jikimo_sf/git/merge/2095?initial=true

quality_control/models/quality.py

@@ -735,8 +735,9 @@ class QualityCheck(models.Model):
     def _compute_qty_to_test(self):
         for qc in self:
             if qc.is_lot_tested_fractionally:
+                rounding = qc.product_id.uom_id.rounding if qc.product_id.uom_id else 0.01
                 qc.qty_to_test = float_round(qc.qty_line * qc.testing_percentage_within_lot / 100,
-                                             precision_rounding=self.product_id.uom_id.rounding, rounding_method="UP")
+                                             precision_rounding=rounding, rounding_method="UP")
             else:
                 qc.qty_to_test = qc.qty_line