From dd7938ace8f519e78cfcf00af98d8f7e167ae2cc Mon Sep 17 00:00:00 2001
From: Erick Friis <erick@langchain.dev>
Date: Tue, 16 Jul 2024 13:32:51 -0700
Subject: [PATCH] docs: readthedocs deprecation fix (#24321)

https://about.readthedocs.com/blog/2024/07/addons-by-default/#how-does-it-affect-my-projects

we use build.command so we're already using addons, so I think this is
it
---
 docs/api_reference/conf.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/api_reference/conf.py b/docs/api_reference/conf.py
index 3e49b5fc00c..6e4ed759f3c 100644
--- a/docs/api_reference/conf.py
+++ b/docs/api_reference/conf.py
@@ -178,3 +178,10 @@ autosummary_generate = True
 
 html_copy_source = False
 html_show_sourcelink = False
+
+# Set canonical URL from the Read the Docs Domain
+html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "")
+
+# Tell Jinja2 templates the build is running on Read the Docs
+if os.environ.get("READTHEDOCS", "") == "True":
+    html_context["READTHEDOCS"] = True