code: def __init__(self):
      super(JDELoss, self).__init__()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import paddle
  import paddle.nn
  import paddle.nn.functional
  from ppdet.core.workspace import register
label_desc: Use image node_id 1 to create a new JDELoss object from inherited base classes: nn with example: obj = JDELoss()