1 files changed, 4 insertions, 2 deletions
diff --git a/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp b/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp
index 91e8de118a9..9a4eb2b7f61 100644
--- a/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp
+++ b/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp
@@ -175,8 +175,10 @@ PyDoc_STRVAR(ChainingIterator_object_doc,
 
 static PyObject *ChainingIterator_object_get(BPy_ChainingIterator *self, void *UNUSED(closure))
 {
-	if (self->c_it->isEnd())
-		Py_RETURN_NONE;
+	if (self->c_it->isEnd()) {
+		PyErr_SetString(PyExc_RuntimeError, "iteration has stopped");
+		return NULL;
+	}
 	ViewEdge *ve = self->c_it->operator*();
 	if (ve)
 		return BPy_ViewEdge_from_ViewEdge(*ve);