From 2bf489600e96bb5b47d89bed261614f62c970ca9 Mon Sep 17 00:00:00 2001 From: wyzula-jan Date: Tue, 7 Oct 2025 14:08:30 +0200 Subject: [PATCH] fix(waveform): safeguard for _scan_history_closed --- bec_widgets/widgets/plots/waveform/waveform.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/bec_widgets/widgets/plots/waveform/waveform.py b/bec_widgets/widgets/plots/waveform/waveform.py index 94cf8d5e..e22c3b3a 100644 --- a/bec_widgets/widgets/plots/waveform/waveform.py +++ b/bec_widgets/widgets/plots/waveform/waveform.py @@ -467,6 +467,8 @@ class Waveform(PlotBase): """ Slot for when the scan history dialog is closed. """ + if self.scan_history_dialog is None: + return self.scan_history_widget.close() self.scan_history_widget.deleteLater() self.scan_history_dialog.deleteLater()