From 2d34a5ea9ad2f8b80f891d96588661773e6d1c3f Mon Sep 17 00:00:00 2001
From: Santos Gallegos <stsewd@proton.me>
Date: Tue, 3 Sep 2024 12:28:01 -0500
Subject: [PATCH] Email: use first recipient from email object (#11581)

`email.to` returns a list, but our tasks expects a single string
---
 readthedocs/core/utils/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/readthedocs/core/utils/__init__.py b/readthedocs/core/utils/__init__.py
index 363c75ff379..26d9583dca5 100644
--- a/readthedocs/core/utils/__init__.py
+++ b/readthedocs/core/utils/__init__.py
@@ -286,7 +286,7 @@ def send_email_from_object(email: EmailMultiAlternatives | EmailMessage):
                 html_content = content
                 break
     send_email_task.delay(
-        recipient=email.to,
+        recipient=email.to[0],
         subject=email.subject,
         content=email.body,
         content_html=html_content,