minor fix see tables

app/main.py

@@ -794,7 +794,7 @@ class AppWindow(FrontWindow):
             self.set_state('disabled')
             self.buttons_stacked.hide()
             self.buttons_function.hide_buttons()
-            self._sale = {}
+            self.sale_id = None
         else:
             self.start_front.hide()
             if hasattr(self, 'WidgetShop'):
@@ -2448,7 +2448,7 @@ class AppWindow(FrontWindow):
         # list_price = line['product'].get('list_price')
         try:
             code = line['product.']['code']
-        except:
+        except Exception:
             code = line['product']['code']
         product = self.Product.find([('code', '=', code)], fields=["list_price"])
         list_price = product[0].get('list_price')
@@ -3727,7 +3727,6 @@ class AppWindow(FrontWindow):
         self.dialog_test_printer.exec_()
 
     def on_selected_folio_transfer(self):
-        sale = self.store.store
         folio_id = self.dialog_search_folio_transfer.get_id()
         if not folio_id:
             return