From 27f40d3e4e44f5c9aa522af9d500dcae92559949 Mon Sep 17 00:00:00 2001
From: Johannes Rieken <johannes.rieken@gmail.com>
Date: Mon, 21 Sep 2020 09:24:58 +0200
Subject: [PATCH] workaround for
 https://github.com/microsoft/vscode/issues/107143

---
 src/vs/workbench/contrib/notebook/common/notebookProvider.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/workbench/contrib/notebook/common/notebookProvider.ts b/src/vs/workbench/contrib/notebook/common/notebookProvider.ts
index 4f1587380adf1..2a6a2beb211c2 100644
--- a/src/vs/workbench/contrib/notebook/common/notebookProvider.ts
+++ b/src/vs/workbench/contrib/notebook/common/notebookProvider.ts
@@ -54,7 +54,7 @@ export class NotebookProviderInfo implements NotebookEditorDescriptor {
 	}
 
 	matches(resource: URI): boolean {
-		return this.selectors.some(selector => NotebookProviderInfo.selectorMatches(selector, resource));
+		return this.selectors?.some(selector => NotebookProviderInfo.selectorMatches(selector, resource));
 	}
 
 	static selectorMatches(selector: NotebookSelector, resource: URI): boolean {