From 80a54d51c1c212477a116f70e6bdbeb70e7628a7 Mon Sep 17 00:00:00 2001
From: Ajinkya Dahale <AjinkyaDahale@users.noreply.github.com>
Date: Wed, 6 Sep 2023 04:45:51 -0700
Subject: [PATCH] [Core] Avoid some seg-fault because of
 `PySequence_Check(nullptr)`

---
 src/App/DocumentPyImp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/App/DocumentPyImp.cpp b/src/App/DocumentPyImp.cpp
index 3f07e7455e..9baa2402cb 100644
--- a/src/App/DocumentPyImp.cpp
+++ b/src/App/DocumentPyImp.cpp
@@ -66,7 +66,7 @@ PyObject*  DocumentPy::addProperty(PyObject *args, PyObject *kwd)
     // enum support
     auto* propEnum = dynamic_cast<App::PropertyEnumeration*>(prop);
     if (propEnum) {
-        if (PySequence_Check(enumVals)) {
+        if (enumVals && PySequence_Check(enumVals)) {
             std::vector<std::string> enumValsAsVector;
             for (Py_ssize_t i = 0; i < PySequence_Length(enumVals); ++i) {
                 enumValsAsVector.emplace_back(PyUnicode_AsUTF8(PySequence_GetItem(enumVals,i)));