From 1be72669a9e66c7278c0c9a024fed650156300a3 Mon Sep 17 00:00:00 2001
From: iLLiCiTiT <jakub.trllo@gmail.com>
Date: Thu, 27 May 2021 12:49:39 +0200
Subject: [PATCH] dont show dialog if nothing is listening to trigger_restart
 signal

---
 openpype/tools/settings/settings/window.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/openpype/tools/settings/settings/window.py b/openpype/tools/settings/settings/window.py
index 0d54a53789..7a6536fd78 100644
--- a/openpype/tools/settings/settings/window.py
+++ b/openpype/tools/settings/settings/window.py
@@ -139,6 +139,12 @@ class MainWidget(QtWidgets.QWidget):
             tab_widget.reset()
 
     def _on_restart_required(self):
+        # Don't show dialog if there are not registered slots for
+        #   `trigger_restart` signal.
+        # - For example when settings are runnin as standalone tool
+        if self.receivers(self.trigger_restart) < 1:
+            return
+
         dialog = RestartDialog(self)
         result = dialog.exec_()
         if result == 1: