From e7d17e4a28a4bafc3b19adbce1e4203a2aac6faa Mon Sep 17 00:00:00 2001
From: Leighton Chen <lechen@microsoft.com>
Date: Mon, 13 Oct 2025 16:45:28 -0400
Subject: [PATCH] docs

---
 docs/conf.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/conf.py b/docs/conf.py
index 8322cbc34c1..ee5cc1188de 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -100,6 +100,7 @@
     ("py:class", "CarrierT"),
     ("py:obj", "opentelemetry.propagators.textmap.CarrierT"),
     ("py:obj", "Union"),
+    ("py:data", "typing.Union"),
     (
         "py:class",
         "opentelemetry.sdk.metrics._internal.instrument._Synchronous",