diff --git a/volatility3/framework/plugins/windows/callbacks.py b/volatility3/framework/plugins/windows/callbacks.py
index 6898935fc..56609a73a 100644
--- a/volatility3/framework/plugins/windows/callbacks.py
+++ b/volatility3/framework/plugins/windows/callbacks.py
@@ -3,6 +3,7 @@
 #
 
 import logging
+import contextlib
 from typing import List, Iterable, Tuple, Optional, Union
 
 from volatility3.framework import constants, exceptions, renderers, interfaces, symbols