From 171f091c881806a05eaf45eea56f3463be1d0144 Mon Sep 17 00:00:00 2001
From: Chris LaFreniere <40371649+chlafreniere@users.noreply.github.com>
Date: Thu, 9 Jul 2020 23:14:46 -0700
Subject: [PATCH] Fix no books currently selected error in viewlet (#11269)

* Fix no books currently selected error

* check sections undefined vs length
---
 extensions/notebook/src/book/bookTreeView.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/notebook/src/book/bookTreeView.ts b/extensions/notebook/src/book/bookTreeView.ts
index 49a2c02149..8f15b4f0d3 100644
--- a/extensions/notebook/src/book/bookTreeView.ts
+++ b/extensions/notebook/src/book/bookTreeView.ts
@@ -347,7 +347,7 @@ export class BookTreeViewProvider implements vscode.TreeDataProvider<BookTreeIte
 
 	public async searchJupyterBooks(treeItem?: BookTreeItem): Promise<void> {
 		let folderToSearch: string;
-		if (treeItem && treeItem.book.type !== BookTreeItemType.Notebook) {
+		if (treeItem && treeItem.sections !== undefined) {
 			if (treeItem.uri) {
 				folderToSearch = path.join(treeItem.root, Content, path.dirname(treeItem.uri));
 			} else {