From 1a20d7fbcbafdb9c43478536916b787ced6f2802 Mon Sep 17 00:00:00 2001
From: Marcel <marcel.paffrath@rub.de>
Date: Tue, 16 Jun 2020 12:03:34 +0200
Subject: [PATCH] [bugfix] workaround for MacOS, where SetChannelComponents
 class can not be saved using QSettings

---
 pylot/core/util/widgets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pylot/core/util/widgets.py b/pylot/core/util/widgets.py
index d65bd29e..76d35972 100644
--- a/pylot/core/util/widgets.py
+++ b/pylot/core/util/widgets.py
@@ -804,7 +804,7 @@ class WaveformWidgetPG(QtGui.QWidget):
 
         settings = QSettings()
         compclass = settings.value('compclass')
-        if not compclass:
+        if not type(compclass) == SetChannelComponents:
             print('Warning: No settings for channel components found. Using default')
             compclass = SetChannelComponents()