From b314d71c2451f81347895617bf1dedb5a7fdf5e2 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@freecad.org>
Date: Thu, 14 Aug 2025 17:36:33 +0200
Subject: [PATCH] Gui: Hold the GIL when clearing the form attribute

Inside TaskDialogPython::clearForm() the interpreter may execute a lot of things where at the some point the GIL must be hold.

This very likely fixes https://github.com/FreeCAD/FreeCAD/issues/22863

@thyssentishman
Please check this branch
---
 src/Gui/TaskView/TaskDialogPython.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Gui/TaskView/TaskDialogPython.cpp b/src/Gui/TaskView/TaskDialogPython.cpp
index 5bf0e2019d..fc74eb20ed 100644
--- a/src/Gui/TaskView/TaskDialogPython.cpp
+++ b/src/Gui/TaskView/TaskDialogPython.cpp
@@ -634,6 +634,7 @@ void TaskDialogPython::appendForm(QWidget* form, const QPixmap& icon)
 
 void TaskDialogPython::clearForm()
 {
+    Base::PyGILStateLocker lock;
     try {
         // The widgets stored in the 'form' attribute will be deleted.
         // Thus, set this attribute to None to make sure that when using