From a584232cf34773f8551f305066e4dda44df6f088 Mon Sep 17 00:00:00 2001
From: "Afshin T. Darian" <git@darian.af>
Date: Tue, 5 Nov 2019 11:50:46 +0000
Subject: [PATCH] Bail if widget to be removed is not found in GridLayout.
 Fixes #449.

---
 packages/widgets/src/gridlayout.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/widgets/src/gridlayout.ts b/packages/widgets/src/gridlayout.ts
index 299171f56..0c65aae1f 100644
--- a/packages/widgets/src/gridlayout.ts
+++ b/packages/widgets/src/gridlayout.ts
@@ -350,7 +350,7 @@ class GridLayout extends Layout {
     let i = ArrayExt.findFirstIndex(this._items, it => it.widget === widget);
 
     // Bail if the widget is not in the layout.
-    if (i !== -1) {
+    if (i === -1) {
       return;
     }