for i, l in enumerate(lods):
lod_index = l.lod_index if l.lod_for_parent else 0
progress.push_task_slice("LOD {}".format(lod_index), i, len(lods))
for i, l in enumerate(lods):
lod_index = l.lod_index if l.lod_for_parent else 0
progress.push_task_slice("LOD {}".format(lod_index), i, len(lods))