From 4bddc4c0cb8fac74b85316577d1910bc18f84ddc Mon Sep 17 00:00:00 2001
From: Athanasius <github@miggy.org>
Date: Mon, 11 Jan 2021 16:43:33 +0000
Subject: [PATCH] prefs: Avoid Tk event_generate() calls during shutdown

---
 prefs.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/prefs.py b/prefs.py
index 95612e6a..69f7140c 100644
--- a/prefs.py
+++ b/prefs.py
@@ -1157,4 +1157,5 @@ class PreferencesDialog(tk.Toplevel):
             except Exception:
                 AXIsProcessTrustedWithOptions({kAXTrustedCheckOptionPrompt: True})
 
-            self.parent.event_generate('<<Quit>>', when="tail")
+            if not config.shutting_down():
+                self.parent.event_generate('<<Quit>>', when="tail")