Added Console.Write instead of ignoring exception

src/TensorFlowNET.Core/Framework/meta_graph.py.cs

@@ -134,6 +134,7 @@ namespace Tensorflow
                                         }
                                         break;
                                     default:
+                                        Console.WriteLine("import_scoped_meta_graph_with_return_elements");
                                         continue;
                                 }
                             }