diff --git a/mause_rpc/server.py b/mause_rpc/server.py
index 22d2ba6..0e844ff 100644
--- a/mause_rpc/server.py
+++ b/mause_rpc/server.py
@@ -6,7 +6,7 @@
 import socket
 from dataclasses import dataclass, field
 from functools import partial
-from typing import Callable, Dict, Optional, TypeVar, overload, NoReturn
+from typing import Callable, Dict, NoReturn, Optional, TypeVar, overload
 
 import dill
 import pika