From 871e9b1c95b6f41739c25838178da45f146c4348 Mon Sep 17 00:00:00 2001
From: Jan Heinrich Reimer <heinrich.reimer@uni-jena.de>
Date: Wed, 3 Jul 2024 11:42:27 +0200
Subject: [PATCH] Backport typing

---
 ray_elasticsearch/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ray_elasticsearch/__init__.py b/ray_elasticsearch/__init__.py
index 21f984d..c8b1d93 100644
--- a/ray_elasticsearch/__init__.py
+++ b/ray_elasticsearch/__init__.py
@@ -52,7 +52,7 @@ class ElasticsearchDatasource(Datasource):
     def __init__(
         self,
         index: str,
-        query: Mapping[str, Any] | None = None,
+        query: Optional[Mapping[str, Any]] = None,
         keep_alive: str = "5m",
         chunk_size: int = 1000,
         client_kwargs: dict[str, Any] = {},