diff --git a/pyromod/methods/read_chat_history.py b/pyromod/methods/read_chat_history.py
index 7ac94d5..80af626 100644
--- a/pyromod/methods/read_chat_history.py
+++ b/pyromod/methods/read_chat_history.py
@@ -1,3 +1,4 @@
+import contextlib
 from typing import Union
 
 import pyrogram