message: Fix incorrect display of keras model summary
  This fix fixes the issue raised in 24627 where the
  display of keras model summary is incorrect (regression
  from 1.12). The reason was that `layer.name`
  (vs. layer object itself) should be used,
  This fix fixes 24627.
diff: @@ -196,7 +196,7 @@ def print_summary(model, line_length=None, positions=None, print_fn=None):
  continue
  for inbound_layer, node_index, tensor_index, _ in node.iterate_inbound():
  - connections.append('{}[{}][{}]'.format(inbound_layer, node_index,
  + connections.append('{}[{}][{}]'.format(inbound_layer.name, node_index,
  tensor_index))
  name = layer.name
  