BMesh: raise exception face-split w/ adjacent loops

Was raising "internal error".

1 files changed, 7 insertions, 0 deletions

diff --git a/source/blender/python/bmesh/bmesh_py_utils.c b/source/blender/python/bmesh/bmesh_py_utils.c
index 379aafa5918..89c196dbcad 100644
--- a/source/blender/python/bmesh/bmesh_py_utils.c
+++ b/source/blender/python/bmesh/bmesh_py_utils.c
@@ -513,6 +513,13 @@ static PyObject *bpy_bm_utils_face_split(PyObject *UNUSED(self), PyObject *args,
 			return NULL;
 		}
 	}
+	else {
+		if (BM_loop_is_adjacent(l_a, l_b)) {
+			PyErr_SetString(PyExc_ValueError,
+			                "face_split(...): verts are adjacent in the face");
+			return NULL;
+		}
+	}
 
 	/* --- main function body --- */
 	bm = py_face->bm;