message: Preserve user placement as much as possible when optimizing the graph
diff: @@ -100,6 +100,7 @@ PyObject* TF_OptimizeGraph(
  tensorflow::grappler::ItemConfig item_config;
  item_config.inline_functions = false;
  item_config.apply_optimizations = false;
  + item_config.ignore_user_placement = false;
  std::unique_ptr<tensorflow::grappler::GrapplerItem> grappler_item =
  tensorflow::grappler::GrapplerItemFromMetaGraphDef(graph_id, metagraph, item_config);
  