diff --git a/pym/update/update.py b/pym/update/update.py
index c3bb40e..1ecf878 100644
--- a/pym/update/update.py
+++ b/pym/update/update.py
@@ -20,7 +20,6 @@ import sys
 from os import path
 import os
 import time
-from typing_extensions import Required
 from calculate.core.server.gen_pid import search_worked_process
 from calculate.core.setup_cache import Cache as SetupCache
 from calculate.core.server.func import MethodsInterface