fix some things

base_tef.py

@@ -2,8 +2,7 @@ import struct
 from protocol import I2CPCClient, time
 from patches import *
 
-from typing import Callable, TypeVar, ParamSpec, Concatenate
-from collections.abc import Callable as ABCCallable
+from typing import TypeVar, ParamSpec
 
 P = ParamSpec("P")
 T = TypeVar("T")