From f50c34389716c6b86a04e81c9eb0930cb73da5b9 Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Mon, 13 Feb 2023 12:13:31 +0000
Subject: [PATCH] typing

---
 src/textual/dom.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/textual/dom.py b/src/textual/dom.py
index 217b0df2d..42478bf82 100644
--- a/src/textual/dom.py
+++ b/src/textual/dom.py
@@ -490,7 +490,7 @@ class DOMNode(MessagePump):
         return self.styles.visibility != "hidden"
 
     @visible.setter
-    def visible(self, new_value: bool) -> None:
+    def visible(self, new_value: bool | str) -> None:
         if isinstance(new_value, bool):
             self.styles.visibility = "visible" if new_value else "hidden"
         elif new_value in VALID_VISIBILITY: