From 1e6fa3b828b38bce75b65aaab0b568d69048e363 Mon Sep 17 00:00:00 2001
From: herr kaste <herr.kaste@gmail.com>
Date: Thu, 29 Feb 2024 21:00:09 +0100
Subject: [PATCH] Fix: Stop viewport syncer after the window closes

---
 sbs_compare.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sbs_compare.py b/sbs_compare.py
index d56764e..d6069d5 100644
--- a/sbs_compare.py
+++ b/sbs_compare.py
@@ -725,7 +725,7 @@ def update_scroll( self, view1, view2, lastUpdated ):
 			view1.set_viewport_position( view2.viewport_position(), False )
 		
 	def run( self ):
-		if not self.window:
+		if not self.window.is_valid():
 			return
 		
 		if self.window.id() != sublime.active_window().id():
@@ -735,7 +735,7 @@ def run( self ):
 		view1 = self.views[0]
 		view2 = self.views[1]
 		
-		if not view1 or not view2:
+		if not view1.is_valid() or not view2.is_valid():
 			return
 		
 		vecA = view1.viewport_position()