From 17af4735588a657f465cea01cfdd136b980ba677 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rodrigo=20Gir=C3=A3o=20Serr=C3=A3o?=
 <5621605+rodrigogiraoserrao@users.noreply.github.com>
Date: Tue, 9 May 2023 16:58:56 +0100
Subject: [PATCH] Annotate no-op.

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

diff --git a/src/textual/widget.py b/src/textual/widget.py
index 7103c630c..f2f99ba42 100644
--- a/src/textual/widget.py
+++ b/src/textual/widget.py
@@ -813,7 +813,7 @@ class Widget(DOMNode):
         elif before is not None and after is not None:
             raise WidgetError("Only one of `before` or `after` can be handled.")
 
-        if child is before or child is after:
+        if child is before or child is after:  # no-op
             return
 
         def _to_widget(child: int | Widget, called: str) -> Widget: