Fix Union for 3.8

langchain-ai · Sep 3, 2024 · ee992f0 · ee992f0
1 parent b62aa69
commit ee992f0
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/libs/community/langchain_community/chat_message_histories/opensearch.py b/libs/community/langchain_community/chat_message_histories/opensearch.py
@@ -1,7 +1,7 @@
 import json
 import logging
 from time import time
-from typing import Any, List
+from typing import Any, List, Union
 
 from langchain_core.chat_history import BaseChatMessageHistory
 from langchain_core.messages import BaseMessage, message_to_dict, messages_from_dict
@@ -39,7 +39,9 @@ def __init__(
         self.index = index
         self.session_id = session_id
 
-        opensearch_connection: "OpenSearch" | None = kwargs.get("opensearch_connection")
+        opensearch_connection: Union["OpenSearch", None] = kwargs.get(
+            "opensearch_connection"
+        )
 
         try:
             from opensearchpy import OpenSearch