[FIX]stock: fix the issue of return picking wizard

lp bug: https://launchpad.net/bugs/997028 fixed bzr revid: mma@tinyerp.com-20120509105641-9ijemxgekhif76zc
2012-05-09 16:26:41 +05:30
parent 76ce881d6f
commit 0ac081ca59
1 changed files with 2 additions and 1 deletions
@@ -100,7 +100,8 @@ class stock_return_picking(osv.osv_memory):
            valid_lines = 0
            return_history = self.get_return_history(cr, uid, record_id, context)
            for m  in pick.move_lines:
-                if m.product_qty * m.product_uom.factor > return_history[m.id]:
+                if return_history:
+                    if m.product_qty * m.product_uom.factor > return_history[m.id]:
                        valid_lines += 1
            if not valid_lines:
                raise osv.except_osv(_('Warning !'), _("There are no products to return (only lines in Done state and not fully returned yet can be returned)!"))