message: Add another space line
diff: @@ -150,6 +150,7 @@ def _add_flops(graph, node):
  """Compute flops for Add operation."""
  return _binary_per_element_op_flops(graph, node)
  +
  @ops.RegisterStatistics("Sub", "flops")
  def _sub_flops(graph, node):
  """Compute flops for Sub operation."""
  