From 0a3d68a56547e36ef9091daeec1bcb8face1972c Mon Sep 17 00:00:00 2001
From: Arthur Milchior <Arthur@Milchior.fr>
Date: Mon, 30 Mar 2020 11:11:59 +0200
Subject: [PATCH] split = None

---
 qt/aqt/previewer.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/qt/aqt/previewer.py b/qt/aqt/previewer.py
index 13abf5a1f..b237fb0b6 100644
--- a/qt/aqt/previewer.py
+++ b/qt/aqt/previewer.py
@@ -144,7 +144,9 @@ class Previewer:
 
     def _onClosePreview(self):
         self.parent.previewer = None
-        self._previewWindow = self._previewPrev = self._previewNext = None
+        self._previewWindow = None
+        self._previewPrev = None
+        self._previewNext = None
 
     def _setupPreviewWebview(self):
         jsinc = [