diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index 985fc702f..39e986f3d 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -7,7 +7,7 @@ import http
 import inspect
 import logging
 from copy import deepcopy
-from datetime import datetime, timezone
+from datetime import datetime, timedelta, timezone
 from math import ceil
 from typing import Any, Dict, List, Optional, Tuple, Union