From 95f4b00e1463cbfd72d8d45568977e192499d5fc Mon Sep 17 00:00:00 2001
From: Kenneth Lyons <ixjlyons@gmail.com>
Date: Thu, 23 May 2019 23:56:53 -0700
Subject: [PATCH] TreeWidget.topLevelItems Python 3 fix

---
 pyqtgraph/widgets/TreeWidget.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyqtgraph/widgets/TreeWidget.py b/pyqtgraph/widgets/TreeWidget.py
index b0ec54c1..8c55ae2f 100644
--- a/pyqtgraph/widgets/TreeWidget.py
+++ b/pyqtgraph/widgets/TreeWidget.py
@@ -201,7 +201,7 @@ class TreeWidget(QtGui.QTreeWidget):
         return item
 
     def topLevelItems(self):
-        return map(self.topLevelItem, xrange(self.topLevelItemCount()))
+        return [self.topLevelItem(i) for i in range(self.topLevelItemCount())]
         
     def clear(self):
         items = self.topLevelItems()