diff --git a/tariff_app/custom_tariffs.py b/tariff_app/custom_tariffs.py
index e98ec0e..c754cf3 100644
--- a/tariff_app/custom_tariffs.py
+++ b/tariff_app/custom_tariffs.py
@@ -1,5 +1,4 @@
 from datetime import timedelta, datetime, date
-from typing import AnyStr
 
 from calendar import monthrange
 from random import uniform