minor fix

app/main.py

@@ -770,7 +770,10 @@ class AppWindow(FrontWindow):
         rec = {}
         try:
             quantity = Decimal(eval_value)
-            product_id = self._sale_line['product']['id']
+            try:
+                product_id = self._sale_line['product']['id']
+            except:
+                product_id = self._sale_line['product']
             if product_id and self.stock_context:
                 _product, = self.Product.find(
                     [('id', '=', product_id)],
@@ -778,6 +781,7 @@ class AppWindow(FrontWindow):
                 )
                 if _product and 'quantity' in _product:
                     if not self._check_stock_quantity(_product, quantity):
+                        print('retorna esta')
                         return False
             if self._current_line_id:
                 self._sale_line['quantity'] = float(quantity)