From 0bf605f684f07f8ecc9c7be682b6d0bfaae0bee7 Mon Sep 17 00:00:00 2001
From: Brent Yi <yibrenth@gmail.com>
Date: Sat, 19 Nov 2022 19:38:31 -0800
Subject: [PATCH] Add group title assert

---
 tyro/_parsers.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tyro/_parsers.py b/tyro/_parsers.py
index 3b7e7ff5..7ca39daa 100644
--- a/tyro/_parsers.py
+++ b/tyro/_parsers.py
@@ -242,6 +242,7 @@ def apply(
             self.apply_args(parser)
 
         # Break some API boundaries to rename the "optional arguments" => "arguments".
+        assert parser._action_groups[1].title == "optional arguments"
         parser._action_groups[1].title = "arguments"
 
         return leaves