From 14f0fd28bbeec42dfcebcebe59b858931eaeb881 Mon Sep 17 00:00:00 2001
From: Jeremy Bullock <jcbullock@gmail.com>
Date: May 24 2017 04:03:40 +0000
Subject: Merge pull request #1158 from lordadamson/loadSceneCrash


fix #1156 which causes program to crash when expanding history
---

diff --git a/toonz/sources/toonz/dvdirtreeview.cpp b/toonz/sources/toonz/dvdirtreeview.cpp
index b76b752..71f739d 100644
--- a/toonz/sources/toonz/dvdirtreeview.cpp
+++ b/toonz/sources/toonz/dvdirtreeview.cpp
@@ -1631,7 +1631,7 @@ void DvDirTreeView::getExpandedPathsRecursive(const QModelIndex &index,
 void DvDirTreeView::onExpanded(const QModelIndex &index) {
   QStringList paths;
   getExpandedPathsRecursive(index, paths);
-  paths.removeFirst();
+  if (paths.size()) paths.removeFirst();
   MyFileSystemWatcher::instance()->addPaths(paths);
 }