From da295a731786163c5397e110ef9e1396b52fa22f Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 23 Mar 2023 23:27:47 +0100
Subject: [PATCH] App: in PropertyPythonObject::fromString only assign a dict
 to __dict__ attribute

---
 src/App/PropertyPythonObject.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/App/PropertyPythonObject.cpp b/src/App/PropertyPythonObject.cpp
index edf46f20c9..e55d3e9825 100644
--- a/src/App/PropertyPythonObject.cpp
+++ b/src/App/PropertyPythonObject.cpp
@@ -136,7 +136,9 @@ void PropertyPythonObject::fromString(const std::string& repr)
             state.apply(args);
         }
         else if (this->object.hasAttr("__dict__")) {
-            this->object.setAttr("__dict__", res);
+            if (!res.isNone()) {
+                this->object.setAttr("__dict__", res);
+            }
         }
         else {
             this->object = res;