diff --git a/constants.py b/constants.py
index 6e4291c..b73a35c 100644
--- a/constants.py
+++ b/constants.py
@@ -1,7 +1,6 @@
 from collections import namedtuple
 from enum import Enum, auto
 import os.path
-from enum import IntEnum
 
 
 class Ftype: